doc/api/globals.json

{
  "type": "module",
  "source": "doc/api/globals.md",
  "introduced_in": "v0.10.0",
  "globals": [
    {
      "textRaw": "Class: `AbortController`",
      "type": "global",
      "name": "AbortController",
      "meta": {
        "added": [
          "v15.0.0",
          "v14.17.0"
        ],
        "changes": [
          {
            "version": "v15.4.0",
            "pr-url": "https://github.com/nodejs/node/pull/35949",
            "description": "No longer experimental."
          }
        ]
      },
      "desc": "<p>A utility class used to signal cancelation in selected <code>Promise</code>-based APIs.\nThe API is based on the Web API <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/AbortController\"><code>AbortController</code></a>.</p>\n<pre><code class=\"language-js\">const ac = new AbortController();\n\nac.signal.addEventListener('abort', () => console.log('Aborted!'),\n                           { once: true });\n\nac.abort();\n\nconsole.log(ac.signal.aborted);  // Prints true\n</code></pre>",
      "methods": [
        {
          "textRaw": "`abortController.abort([reason])`",
          "type": "method",
          "name": "abort",
          "meta": {
            "added": [
              "v15.0.0",
              "v14.17.0"
            ],
            "changes": [
              {
                "version": [
                  "v17.2.0",
                  "v16.14.0"
                ],
                "pr-url": "https://github.com/nodejs/node/pull/40807",
                "description": "Added the new optional reason argument."
              }
            ]
          },
          "signatures": [
            {
              "params": [
                {
                  "textRaw": "`reason` {any} An optional reason, retrievable on the `AbortSignal`'s `reason` property.",
                  "name": "reason",
                  "type": "any",
                  "desc": "An optional reason, retrievable on the `AbortSignal`'s `reason` property."
                }
              ]
            }
          ],
          "desc": "<p>Triggers the abort signal, causing the <code>abortController.signal</code> to emit\nthe <code>'abort'</code> event.</p>"
        }
      ],
      "properties": [
        {
          "textRaw": "`signal` Type: {AbortSignal}",
          "type": "AbortSignal",
          "name": "Type",
          "meta": {
            "added": [
              "v15.0.0",
              "v14.17.0"
            ],
            "changes": []
          }
        }
      ],
      "classes": [
        {
          "textRaw": "Class: `AbortSignal`",
          "type": "class",
          "name": "AbortSignal",
          "meta": {
            "added": [
              "v15.0.0",
              "v14.17.0"
            ],
            "changes": []
          },
          "desc": "<ul>\n<li>Extends: <a href=\"events.html#class-eventtarget\" class=\"type\">&lt;EventTarget&gt;</a></li>\n</ul>\n<p>The <code>AbortSignal</code> is used to notify observers when the\n<code>abortController.abort()</code> method is called.</p>",
          "classMethods": [
            {
              "textRaw": "Static method: `AbortSignal.abort([reason])`",
              "type": "classMethod",
              "name": "abort",
              "meta": {
                "added": [
                  "v15.12.0",
                  "v14.17.0"
                ],
                "changes": [
                  {
                    "version": [
                      "v17.2.0",
                      "v16.14.0"
                    ],
                    "pr-url": "https://github.com/nodejs/node/pull/40807",
                    "description": "Added the new optional reason argument."
                  }
                ]
              },
              "signatures": [
                {
                  "return": {
                    "textRaw": "Returns: {AbortSignal}",
                    "name": "return",
                    "type": "AbortSignal"
                  },
                  "params": [
                    {
                      "textRaw": "`reason`: {any}",
                      "name": "reason",
                      "type": "any"
                    }
                  ]
                }
              ],
              "desc": "<p>Returns a new already aborted <code>AbortSignal</code>.</p>"
            },
            {
              "textRaw": "Static method: `AbortSignal.timeout(delay)`",
              "type": "classMethod",
              "name": "timeout",
              "meta": {
                "added": [
                  "v17.3.0",
                  "v16.14.0"
                ],
                "changes": []
              },
              "signatures": [
                {
                  "params": [
                    {
                      "textRaw": "`delay` {number} The number of milliseconds to wait before triggering the AbortSignal.",
                      "name": "delay",
                      "type": "number",
                      "desc": "The number of milliseconds to wait before triggering the AbortSignal."
                    }
                  ]
                }
              ],
              "desc": "<p>Returns a new <code>AbortSignal</code> which will be aborted in <code>delay</code> milliseconds.</p>"
            },
            {
              "textRaw": "Static method: `AbortSignal.any(signals)`",
              "type": "classMethod",
              "name": "any",
              "meta": {
                "added": [
                  "v18.17.0"
                ],
                "changes": []
              },
              "signatures": [
                {
                  "params": [
                    {
                      "textRaw": "`signals` {AbortSignal\\[]} The `AbortSignal`s of which to compose a new `AbortSignal`.",
                      "name": "signals",
                      "type": "AbortSignal\\[]",
                      "desc": "The `AbortSignal`s of which to compose a new `AbortSignal`."
                    }
                  ]
                }
              ],
              "desc": "<p>Returns a new <code>AbortSignal</code> which will be aborted if any of the provided\nsignals are aborted. Its <a href=\"#abortsignalreason\"><code>abortSignal.reason</code></a> will be set to whichever\none of the <code>signals</code> caused it to be aborted.</p>"
            }
          ],
          "events": [
            {
              "textRaw": "Event: `'abort'`",
              "type": "event",
              "name": "abort",
              "meta": {
                "added": [
                  "v15.0.0",
                  "v14.17.0"
                ],
                "changes": []
              },
              "params": [],
              "desc": "<p>The <code>'abort'</code> event is emitted when the <code>abortController.abort()</code> method\nis called. The callback is invoked with a single object argument with a\nsingle <code>type</code> property set to <code>'abort'</code>:</p>\n<pre><code class=\"language-js\">const ac = new AbortController();\n\n// Use either the onabort property...\nac.signal.onabort = () => console.log('aborted!');\n\n// Or the EventTarget API...\nac.signal.addEventListener('abort', (event) => {\n  console.log(event.type);  // Prints 'abort'\n}, { once: true });\n\nac.abort();\n</code></pre>\n<p>The <code>AbortController</code> with which the <code>AbortSignal</code> is associated will only\never trigger the <code>'abort'</code> event once. We recommended that code check\nthat the <code>abortSignal.aborted</code> attribute is <code>false</code> before adding an <code>'abort'</code>\nevent listener.</p>\n<p>Any event listeners attached to the <code>AbortSignal</code> should use the\n<code>{ once: true }</code> option (or, if using the <code>EventEmitter</code> APIs to attach a\nlistener, use the <code>once()</code> method) to ensure that the event listener is\nremoved as soon as the <code>'abort'</code> event is handled. Failure to do so may\nresult in memory leaks.</p>"
            }
          ],
          "properties": [
            {
              "textRaw": "`aborted` Type: {boolean} True after the `AbortController` has been aborted.",
              "type": "boolean",
              "name": "Type",
              "meta": {
                "added": [
                  "v15.0.0",
                  "v14.17.0"
                ],
                "changes": []
              },
              "desc": "True after the `AbortController` has been aborted."
            },
            {
              "textRaw": "`onabort` Type: {Function}",
              "type": "Function",
              "name": "Type",
              "meta": {
                "added": [
                  "v15.0.0",
                  "v14.17.0"
                ],
                "changes": []
              },
              "desc": "<p>An optional callback function that may be set by user code to be notified\nwhen the <code>abortController.abort()</code> function has been called.</p>"
            },
            {
              "textRaw": "`reason` Type: {any}",
              "type": "any",
              "name": "Type",
              "meta": {
                "added": [
                  "v17.2.0",
                  "v16.14.0"
                ],
                "changes": []
              },
              "desc": "<p>An optional reason specified when the <code>AbortSignal</code> was triggered.</p>\n<pre><code class=\"language-js\">const ac = new AbortController();\nac.abort(new Error('boom!'));\nconsole.log(ac.signal.reason);  // Error: boom!\n</code></pre>"
            }
          ],
          "methods": [
            {
              "textRaw": "`abortSignal.throwIfAborted()`",
              "type": "method",
              "name": "throwIfAborted",
              "meta": {
                "added": [
                  "v17.3.0"
                ],
                "changes": []
              },
              "signatures": [
                {
                  "params": []
                }
              ],
              "desc": "<p>If <code>abortSignal.aborted</code> is <code>true</code>, throws <code>abortSignal.reason</code>.</p>"
            }
          ]
        }
      ]
    },
    {
      "textRaw": "Class: `Blob`",
      "type": "global",
      "name": "Blob",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "desc": "<p>See <a href=\"buffer.html#class-blob\" class=\"type\">&lt;Blob&gt;</a>.</p>"
    },
    {
      "textRaw": "Class: `Buffer`",
      "type": "global",
      "name": "Buffer",
      "meta": {
        "added": [
          "v0.1.103"
        ],
        "changes": []
      },
      "desc": "<ul>\n<li><a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function\" class=\"type\">&lt;Function&gt;</a></li>\n</ul>\n<p>Used to handle binary data. See the <a href=\"buffer.html\">buffer section</a>.</p>"
    },
    {
      "textRaw": "`clearImmediate(immediateObject)`",
      "type": "global",
      "name": "clearImmediate",
      "meta": {
        "added": [
          "v0.9.1"
        ],
        "changes": []
      },
      "desc": "<p><a href=\"timers.html#clearimmediateimmediate\"><code>clearImmediate</code></a> is described in the <a href=\"timers.html\">timers</a> section.</p>"
    },
    {
      "textRaw": "`clearInterval(intervalObject)`",
      "type": "global",
      "name": "clearInterval",
      "meta": {
        "added": [
          "v0.0.1"
        ],
        "changes": []
      },
      "desc": "<p><a href=\"timers.html#clearintervaltimeout\"><code>clearInterval</code></a> is described in the <a href=\"timers.html\">timers</a> section.</p>"
    },
    {
      "textRaw": "`clearTimeout(timeoutObject)`",
      "type": "global",
      "name": "clearTimeout",
      "meta": {
        "added": [
          "v0.0.1"
        ],
        "changes": []
      },
      "desc": "<p><a href=\"timers.html#cleartimeouttimeout\"><code>clearTimeout</code></a> is described in the <a href=\"timers.html\">timers</a> section.</p>"
    },
    {
      "textRaw": "`console`",
      "name": "`console`",
      "meta": {
        "added": [
          "v0.1.100"
        ],
        "changes": []
      },
      "type": "global",
      "desc": "<ul>\n<li><a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object\" class=\"type\">&lt;Object&gt;</a></li>\n</ul>\n<p>Used to print to stdout and stderr. See the <a href=\"console.html\"><code>console</code></a> section.</p>"
    },
    {
      "textRaw": "`CustomEvent`",
      "name": "`CustomEvent`",
      "meta": {
        "added": [
          "v18.7.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental. Enable this API with the [`--experimental-global-customevent`][] CLI flag.",
      "type": "global",
      "desc": "<p>A browser-compatible implementation of the <a href=\"https://dom.spec.whatwg.org/#customevent\"><code>CustomEvent</code> Web API</a>.</p>"
    },
    {
      "textRaw": "`Event`",
      "name": "`Event`",
      "meta": {
        "added": [
          "v15.0.0"
        ],
        "changes": [
          {
            "version": "v15.4.0",
            "pr-url": "https://github.com/nodejs/node/pull/35949",
            "description": "No longer experimental."
          }
        ]
      },
      "type": "global",
      "desc": "<p>A browser-compatible implementation of the <code>Event</code> class. See\n<a href=\"events.html#eventtarget-and-event-api\"><code>EventTarget</code> and <code>Event</code> API</a> for more details.</p>"
    },
    {
      "textRaw": "`EventTarget`",
      "name": "`EventTarget`",
      "meta": {
        "added": [
          "v15.0.0"
        ],
        "changes": [
          {
            "version": "v15.4.0",
            "pr-url": "https://github.com/nodejs/node/pull/35949",
            "description": "No longer experimental."
          }
        ]
      },
      "type": "global",
      "desc": "<p>A browser-compatible implementation of the <code>EventTarget</code> class. See\n<a href=\"events.html#eventtarget-and-event-api\"><code>EventTarget</code> and <code>Event</code> API</a> for more details.</p>"
    },
    {
      "textRaw": "`global`",
      "name": "`global`",
      "meta": {
        "added": [
          "v0.1.27"
        ],
        "changes": []
      },
      "type": "global",
      "stability": 3,
      "stabilityText": "Legacy. Use [`globalThis`][] instead.",
      "desc": "<ul>\n<li><a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object\" class=\"type\">&lt;Object&gt;</a> The global namespace object.</li>\n</ul>\n<p>In browsers, the top-level scope has traditionally been the global scope. This\nmeans that <code>var something</code> will define a new global variable, except within\nECMAScript modules. In Node.js, this is different. The top-level scope is not\nthe global scope; <code>var something</code> inside a Node.js module will be local to that\nmodule, regardless of whether it is a <a href=\"modules.html\">CommonJS module</a> or an\n<a href=\"esm.html\">ECMAScript module</a>.</p>"
    },
    {
      "textRaw": "`MessageChannel`",
      "name": "`MessageChannel`",
      "meta": {
        "added": [
          "v15.0.0"
        ],
        "changes": []
      },
      "type": "global",
      "desc": "<p>The <code>MessageChannel</code> class. See <a href=\"worker_threads.html#class-messagechannel\"><code>MessageChannel</code></a> for more details.</p>"
    },
    {
      "textRaw": "`MessageEvent`",
      "name": "`MessageEvent`",
      "meta": {
        "added": [
          "v15.0.0"
        ],
        "changes": []
      },
      "type": "global",
      "desc": "<p>The <code>MessageEvent</code> class. See <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/MessageEvent/MessageEvent\"><code>MessageEvent</code></a> for more details.</p>"
    },
    {
      "textRaw": "`MessagePort`",
      "name": "`MessagePort`",
      "meta": {
        "added": [
          "v15.0.0"
        ],
        "changes": []
      },
      "type": "global",
      "desc": "<p>The <code>MessagePort</code> class. See <a href=\"worker_threads.html#class-messageport\"><code>MessagePort</code></a> for more details.</p>"
    },
    {
      "textRaw": "`process`",
      "name": "`process`",
      "meta": {
        "added": [
          "v0.1.7"
        ],
        "changes": []
      },
      "type": "global",
      "desc": "<ul>\n<li><a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object\" class=\"type\">&lt;Object&gt;</a></li>\n</ul>\n<p>The process object. See the <a href=\"process.html#process\"><code>process</code> object</a> section.</p>"
    },
    {
      "textRaw": "`queueMicrotask(callback)`",
      "type": "global",
      "name": "queueMicrotask",
      "meta": {
        "added": [
          "v11.0.0"
        ],
        "changes": []
      },
      "desc": "<ul>\n<li><code>callback</code> <a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function\" class=\"type\">&lt;Function&gt;</a> Function to be queued.</li>\n</ul>\n<p>The <code>queueMicrotask()</code> method queues a microtask to invoke <code>callback</code>. If\n<code>callback</code> throws an exception, the <a href=\"process.html#process\"><code>process</code> object</a> <code>'uncaughtException'</code>\nevent will be emitted.</p>\n<p>The microtask queue is managed by V8 and may be used in a similar manner to\nthe <a href=\"process.html#processnexttickcallback-args\"><code>process.nextTick()</code></a> queue, which is managed by Node.js. The\n<code>process.nextTick()</code> queue is always processed before the microtask queue\nwithin each turn of the Node.js event loop.</p>\n<pre><code class=\"language-js\">// Here, `queueMicrotask()` is used to ensure the 'load' event is always\n// emitted asynchronously, and therefore consistently. Using\n// `process.nextTick()` here would result in the 'load' event always emitting\n// before any other promise jobs.\n\nDataHandler.prototype.load = async function load(key) {\n  const hit = this._cache.get(key);\n  if (hit !== undefined) {\n    queueMicrotask(() => {\n      this.emit('load', hit);\n    });\n    return;\n  }\n\n  const data = await fetchData(key);\n  this._cache.set(key, data);\n  this.emit('load', data);\n};\n</code></pre>"
    },
    {
      "textRaw": "`setImmediate(callback[, ...args])`",
      "type": "global",
      "name": "setImmediate",
      "meta": {
        "added": [
          "v0.9.1"
        ],
        "changes": []
      },
      "desc": "<p><a href=\"timers.html#setimmediatecallback-args\"><code>setImmediate</code></a> is described in the <a href=\"timers.html\">timers</a> section.</p>"
    },
    {
      "textRaw": "`setInterval(callback, delay[, ...args])`",
      "type": "global",
      "name": "setInterval",
      "meta": {
        "added": [
          "v0.0.1"
        ],
        "changes": []
      },
      "desc": "<p><a href=\"timers.html#setintervalcallback-delay-args\"><code>setInterval</code></a> is described in the <a href=\"timers.html\">timers</a> section.</p>"
    },
    {
      "textRaw": "`setTimeout(callback, delay[, ...args])`",
      "type": "global",
      "name": "setTimeout",
      "meta": {
        "added": [
          "v0.0.1"
        ],
        "changes": []
      },
      "desc": "<p><a href=\"timers.html#settimeoutcallback-delay-args\"><code>setTimeout</code></a> is described in the <a href=\"timers.html\">timers</a> section.</p>"
    },
    {
      "textRaw": "`structuredClone(value[, options])`",
      "type": "global",
      "name": "structuredClone",
      "meta": {
        "added": [
          "v17.0.0"
        ],
        "changes": []
      },
      "desc": "<p>The WHATWG <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/structuredClone\"><code>structuredClone</code></a> method.</p>"
    },
    {
      "textRaw": "`DOMException`",
      "name": "`DOMException`",
      "meta": {
        "added": [
          "v17.0.0"
        ],
        "changes": []
      },
      "type": "global",
      "desc": "<p>The WHATWG <code>DOMException</code> class. See <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/DOMException\"><code>DOMException</code></a> for more details.</p>"
    },
    {
      "textRaw": "`TextDecoder`",
      "name": "`TextDecoder`",
      "meta": {
        "added": [
          "v11.0.0"
        ],
        "changes": []
      },
      "type": "global",
      "desc": "<p>The WHATWG <code>TextDecoder</code> class. See the <a href=\"util.html#class-utiltextdecoder\"><code>TextDecoder</code></a> section.</p>"
    },
    {
      "textRaw": "`TextEncoder`",
      "name": "`TextEncoder`",
      "meta": {
        "added": [
          "v11.0.0"
        ],
        "changes": []
      },
      "type": "global",
      "desc": "<p>The WHATWG <code>TextEncoder</code> class. See the <a href=\"util.html#class-utiltextencoder\"><code>TextEncoder</code></a> section.</p>"
    },
    {
      "textRaw": "`URL`",
      "name": "`URL`",
      "meta": {
        "added": [
          "v10.0.0"
        ],
        "changes": []
      },
      "type": "global",
      "desc": "<p>The WHATWG <code>URL</code> class. See the <a href=\"url.html#class-url\"><code>URL</code></a> section.</p>"
    },
    {
      "textRaw": "`URLSearchParams`",
      "name": "`URLSearchParams`",
      "meta": {
        "added": [
          "v10.0.0"
        ],
        "changes": []
      },
      "type": "global",
      "desc": "<p>The WHATWG <code>URLSearchParams</code> class. See the <a href=\"url.html#class-urlsearchparams\"><code>URLSearchParams</code></a> section.</p>"
    },
    {
      "textRaw": "`WebAssembly`",
      "name": "`WebAssembly`",
      "meta": {
        "added": [
          "v8.0.0"
        ],
        "changes": []
      },
      "type": "global",
      "desc": "<ul>\n<li><a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object\" class=\"type\">&lt;Object&gt;</a></li>\n</ul>\n<p>The object that acts as the namespace for all W3C\n<a href=\"https://webassembly.org\">WebAssembly</a> related functionality. See the\n<a href=\"https://developer.mozilla.org/en-US/docs/WebAssembly\">Mozilla Developer Network</a> for usage and compatibility.</p>"
    }
  ],
  "classes": [
    {
      "textRaw": "Class: `ByteLengthQueuingStrategy`",
      "type": "class",
      "name": "ByteLengthQueuingStrategy",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-bytelengthqueuingstrategy\"><code>ByteLengthQueuingStrategy</code></a>.</p>"
    },
    {
      "textRaw": "Class: `CompressionStream`",
      "type": "class",
      "name": "CompressionStream",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-compressionstream\"><code>CompressionStream</code></a>.</p>"
    },
    {
      "textRaw": "Class: `CountQueuingStrategy`",
      "type": "class",
      "name": "CountQueuingStrategy",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-countqueuingstrategy\"><code>CountQueuingStrategy</code></a>.</p>"
    },
    {
      "textRaw": "Class: `DecompressionStream`",
      "type": "class",
      "name": "DecompressionStream",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-decompressionstream\"><code>DecompressionStream</code></a>.</p>"
    },
    {
      "textRaw": "Class: `ReadableByteStreamController`",
      "type": "class",
      "name": "ReadableByteStreamController",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-readablebytestreamcontroller\"><code>ReadableByteStreamController</code></a>.</p>"
    },
    {
      "textRaw": "Class: `ReadableStream`",
      "type": "class",
      "name": "ReadableStream",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-readablestream\"><code>ReadableStream</code></a>.</p>"
    },
    {
      "textRaw": "Class: `ReadableStreamBYOBReader`",
      "type": "class",
      "name": "ReadableStreamBYOBReader",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-readablestreambyobreader\"><code>ReadableStreamBYOBReader</code></a>.</p>"
    },
    {
      "textRaw": "Class: `ReadableStreamBYOBRequest`",
      "type": "class",
      "name": "ReadableStreamBYOBRequest",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-readablestreambyobrequest\"><code>ReadableStreamBYOBRequest</code></a>.</p>"
    },
    {
      "textRaw": "Class: `ReadableStreamDefaultController`",
      "type": "class",
      "name": "ReadableStreamDefaultController",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-readablestreamdefaultcontroller\"><code>ReadableStreamDefaultController</code></a>.</p>"
    },
    {
      "textRaw": "Class: `ReadableStreamDefaultReader`",
      "type": "class",
      "name": "ReadableStreamDefaultReader",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-readablestreamdefaultreader\"><code>ReadableStreamDefaultReader</code></a>.</p>"
    },
    {
      "textRaw": "Class: `TextDecoderStream`",
      "type": "class",
      "name": "TextDecoderStream",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-textdecoderstream\"><code>TextDecoderStream</code></a>.</p>"
    },
    {
      "textRaw": "Class: `TextEncoderStream`",
      "type": "class",
      "name": "TextEncoderStream",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-textencoderstream\"><code>TextEncoderStream</code></a>.</p>"
    },
    {
      "textRaw": "Class: `TransformStream`",
      "type": "class",
      "name": "TransformStream",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-transformstream\"><code>TransformStream</code></a>.</p>"
    },
    {
      "textRaw": "Class: `TransformStreamDefaultController`",
      "type": "class",
      "name": "TransformStreamDefaultController",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-transformstreamdefaultcontroller\"><code>TransformStreamDefaultController</code></a>.</p>"
    },
    {
      "textRaw": "Class: `WritableStream`",
      "type": "class",
      "name": "WritableStream",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-writablestream\"><code>WritableStream</code></a>.</p>"
    },
    {
      "textRaw": "Class: `WritableStreamDefaultController`",
      "type": "class",
      "name": "WritableStreamDefaultController",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-writablestreamdefaultcontroller\"><code>WritableStreamDefaultController</code></a>.</p>"
    },
    {
      "textRaw": "Class: `WritableStreamDefaultWriter`",
      "type": "class",
      "name": "WritableStreamDefaultWriter",
      "meta": {
        "added": [
          "v18.0.0"
        ],
        "changes": []
      },
      "stability": 1,
      "stabilityText": "Experimental.",
      "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-writablestreamdefaultwriter\"><code>WritableStreamDefaultWriter</code></a>.</p>"
    }
  ],
  "methods": [
    {
      "textRaw": "`atob(data)`",
      "type": "method",
      "name": "atob",
      "meta": {
        "added": [
          "v16.0.0"
        ],
        "changes": []
      },
      "stability": 3,
      "stabilityText": "Legacy. Use `Buffer.from(data, 'base64')` instead.",
      "signatures": [
        {
          "params": []
        }
      ],
      "desc": "<p>Global alias for <a href=\"buffer.html#bufferatobdata\"><code>buffer.atob()</code></a>.</p>"
    },
    {
      "textRaw": "`btoa(data)`",
      "type": "method",
      "name": "btoa",
      "meta": {
        "added": [
          "v16.0.0"
        ],
        "changes": []
      },
      "stability": 3,
      "stabilityText": "Legacy. Use `buf.toString('base64')` instead.",
      "signatures": [
        {
          "params": []
        }
      ],
      "desc": "<p>Global alias for <a href=\"buffer.html#bufferbtoadata\"><code>buffer.btoa()</code></a>.</p>"
    },
    {
      "textRaw": "`require()`",
      "type": "method",
      "name": "require",
      "signatures": [
        {
          "params": []
        }
      ],
      "desc": "<p>This variable may appear to be global but is not. See <a href=\"modules.html#requireid\"><code>require()</code></a>.</p>"
    }
  ],
  "miscs": [
    {
      "textRaw": "Global objects",
      "name": "Global objects",
      "introduced_in": "v0.10.0",
      "type": "misc",
      "desc": "<p>These objects are available in all modules. The following variables may appear\nto be global but are not. They exist only in the scope of modules, see the\n<a href=\"modules.html\">module system documentation</a>:</p>\n<ul>\n<li><a href=\"modules.html#__dirname\"><code>__dirname</code></a></li>\n<li><a href=\"modules.html#__filename\"><code>__filename</code></a></li>\n<li><a href=\"modules.html#exports\"><code>exports</code></a></li>\n<li><a href=\"modules.html#module\"><code>module</code></a></li>\n<li><a href=\"modules.html#requireid\"><code>require()</code></a></li>\n</ul>\n<p>The objects listed here are specific to Node.js. There are <a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects\">built-in objects</a>\nthat are part of the JavaScript language itself, which are also globally\naccessible.</p>",
      "globals": [
        {
          "textRaw": "Class: `AbortController`",
          "type": "global",
          "name": "AbortController",
          "meta": {
            "added": [
              "v15.0.0",
              "v14.17.0"
            ],
            "changes": [
              {
                "version": "v15.4.0",
                "pr-url": "https://github.com/nodejs/node/pull/35949",
                "description": "No longer experimental."
              }
            ]
          },
          "desc": "<p>A utility class used to signal cancelation in selected <code>Promise</code>-based APIs.\nThe API is based on the Web API <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/AbortController\"><code>AbortController</code></a>.</p>\n<pre><code class=\"language-js\">const ac = new AbortController();\n\nac.signal.addEventListener('abort', () => console.log('Aborted!'),\n                           { once: true });\n\nac.abort();\n\nconsole.log(ac.signal.aborted);  // Prints true\n</code></pre>",
          "methods": [
            {
              "textRaw": "`abortController.abort([reason])`",
              "type": "method",
              "name": "abort",
              "meta": {
                "added": [
                  "v15.0.0",
                  "v14.17.0"
                ],
                "changes": [
                  {
                    "version": [
                      "v17.2.0",
                      "v16.14.0"
                    ],
                    "pr-url": "https://github.com/nodejs/node/pull/40807",
                    "description": "Added the new optional reason argument."
                  }
                ]
              },
              "signatures": [
                {
                  "params": [
                    {
                      "textRaw": "`reason` {any} An optional reason, retrievable on the `AbortSignal`'s `reason` property.",
                      "name": "reason",
                      "type": "any",
                      "desc": "An optional reason, retrievable on the `AbortSignal`'s `reason` property."
                    }
                  ]
                }
              ],
              "desc": "<p>Triggers the abort signal, causing the <code>abortController.signal</code> to emit\nthe <code>'abort'</code> event.</p>"
            }
          ],
          "properties": [
            {
              "textRaw": "`signal` Type: {AbortSignal}",
              "type": "AbortSignal",
              "name": "Type",
              "meta": {
                "added": [
                  "v15.0.0",
                  "v14.17.0"
                ],
                "changes": []
              }
            }
          ],
          "classes": [
            {
              "textRaw": "Class: `AbortSignal`",
              "type": "class",
              "name": "AbortSignal",
              "meta": {
                "added": [
                  "v15.0.0",
                  "v14.17.0"
                ],
                "changes": []
              },
              "desc": "<ul>\n<li>Extends: <a href=\"events.html#class-eventtarget\" class=\"type\">&lt;EventTarget&gt;</a></li>\n</ul>\n<p>The <code>AbortSignal</code> is used to notify observers when the\n<code>abortController.abort()</code> method is called.</p>",
              "classMethods": [
                {
                  "textRaw": "Static method: `AbortSignal.abort([reason])`",
                  "type": "classMethod",
                  "name": "abort",
                  "meta": {
                    "added": [
                      "v15.12.0",
                      "v14.17.0"
                    ],
                    "changes": [
                      {
                        "version": [
                          "v17.2.0",
                          "v16.14.0"
                        ],
                        "pr-url": "https://github.com/nodejs/node/pull/40807",
                        "description": "Added the new optional reason argument."
                      }
                    ]
                  },
                  "signatures": [
                    {
                      "return": {
                        "textRaw": "Returns: {AbortSignal}",
                        "name": "return",
                        "type": "AbortSignal"
                      },
                      "params": [
                        {
                          "textRaw": "`reason`: {any}",
                          "name": "reason",
                          "type": "any"
                        }
                      ]
                    }
                  ],
                  "desc": "<p>Returns a new already aborted <code>AbortSignal</code>.</p>"
                },
                {
                  "textRaw": "Static method: `AbortSignal.timeout(delay)`",
                  "type": "classMethod",
                  "name": "timeout",
                  "meta": {
                    "added": [
                      "v17.3.0",
                      "v16.14.0"
                    ],
                    "changes": []
                  },
                  "signatures": [
                    {
                      "params": [
                        {
                          "textRaw": "`delay` {number} The number of milliseconds to wait before triggering the AbortSignal.",
                          "name": "delay",
                          "type": "number",
                          "desc": "The number of milliseconds to wait before triggering the AbortSignal."
                        }
                      ]
                    }
                  ],
                  "desc": "<p>Returns a new <code>AbortSignal</code> which will be aborted in <code>delay</code> milliseconds.</p>"
                },
                {
                  "textRaw": "Static method: `AbortSignal.any(signals)`",
                  "type": "classMethod",
                  "name": "any",
                  "meta": {
                    "added": [
                      "v18.17.0"
                    ],
                    "changes": []
                  },
                  "signatures": [
                    {
                      "params": [
                        {
                          "textRaw": "`signals` {AbortSignal\\[]} The `AbortSignal`s of which to compose a new `AbortSignal`.",
                          "name": "signals",
                          "type": "AbortSignal\\[]",
                          "desc": "The `AbortSignal`s of which to compose a new `AbortSignal`."
                        }
                      ]
                    }
                  ],
                  "desc": "<p>Returns a new <code>AbortSignal</code> which will be aborted if any of the provided\nsignals are aborted. Its <a href=\"#abortsignalreason\"><code>abortSignal.reason</code></a> will be set to whichever\none of the <code>signals</code> caused it to be aborted.</p>"
                }
              ],
              "events": [
                {
                  "textRaw": "Event: `'abort'`",
                  "type": "event",
                  "name": "abort",
                  "meta": {
                    "added": [
                      "v15.0.0",
                      "v14.17.0"
                    ],
                    "changes": []
                  },
                  "params": [],
                  "desc": "<p>The <code>'abort'</code> event is emitted when the <code>abortController.abort()</code> method\nis called. The callback is invoked with a single object argument with a\nsingle <code>type</code> property set to <code>'abort'</code>:</p>\n<pre><code class=\"language-js\">const ac = new AbortController();\n\n// Use either the onabort property...\nac.signal.onabort = () => console.log('aborted!');\n\n// Or the EventTarget API...\nac.signal.addEventListener('abort', (event) => {\n  console.log(event.type);  // Prints 'abort'\n}, { once: true });\n\nac.abort();\n</code></pre>\n<p>The <code>AbortController</code> with which the <code>AbortSignal</code> is associated will only\never trigger the <code>'abort'</code> event once. We recommended that code check\nthat the <code>abortSignal.aborted</code> attribute is <code>false</code> before adding an <code>'abort'</code>\nevent listener.</p>\n<p>Any event listeners attached to the <code>AbortSignal</code> should use the\n<code>{ once: true }</code> option (or, if using the <code>EventEmitter</code> APIs to attach a\nlistener, use the <code>once()</code> method) to ensure that the event listener is\nremoved as soon as the <code>'abort'</code> event is handled. Failure to do so may\nresult in memory leaks.</p>"
                }
              ],
              "properties": [
                {
                  "textRaw": "`aborted` Type: {boolean} True after the `AbortController` has been aborted.",
                  "type": "boolean",
                  "name": "Type",
                  "meta": {
                    "added": [
                      "v15.0.0",
                      "v14.17.0"
                    ],
                    "changes": []
                  },
                  "desc": "True after the `AbortController` has been aborted."
                },
                {
                  "textRaw": "`onabort` Type: {Function}",
                  "type": "Function",
                  "name": "Type",
                  "meta": {
                    "added": [
                      "v15.0.0",
                      "v14.17.0"
                    ],
                    "changes": []
                  },
                  "desc": "<p>An optional callback function that may be set by user code to be notified\nwhen the <code>abortController.abort()</code> function has been called.</p>"
                },
                {
                  "textRaw": "`reason` Type: {any}",
                  "type": "any",
                  "name": "Type",
                  "meta": {
                    "added": [
                      "v17.2.0",
                      "v16.14.0"
                    ],
                    "changes": []
                  },
                  "desc": "<p>An optional reason specified when the <code>AbortSignal</code> was triggered.</p>\n<pre><code class=\"language-js\">const ac = new AbortController();\nac.abort(new Error('boom!'));\nconsole.log(ac.signal.reason);  // Error: boom!\n</code></pre>"
                }
              ],
              "methods": [
                {
                  "textRaw": "`abortSignal.throwIfAborted()`",
                  "type": "method",
                  "name": "throwIfAborted",
                  "meta": {
                    "added": [
                      "v17.3.0"
                    ],
                    "changes": []
                  },
                  "signatures": [
                    {
                      "params": []
                    }
                  ],
                  "desc": "<p>If <code>abortSignal.aborted</code> is <code>true</code>, throws <code>abortSignal.reason</code>.</p>"
                }
              ]
            }
          ]
        },
        {
          "textRaw": "Class: `Blob`",
          "type": "global",
          "name": "Blob",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "desc": "<p>See <a href=\"buffer.html#class-blob\" class=\"type\">&lt;Blob&gt;</a>.</p>"
        },
        {
          "textRaw": "Class: `Buffer`",
          "type": "global",
          "name": "Buffer",
          "meta": {
            "added": [
              "v0.1.103"
            ],
            "changes": []
          },
          "desc": "<ul>\n<li><a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function\" class=\"type\">&lt;Function&gt;</a></li>\n</ul>\n<p>Used to handle binary data. See the <a href=\"buffer.html\">buffer section</a>.</p>"
        },
        {
          "textRaw": "`clearImmediate(immediateObject)`",
          "type": "global",
          "name": "clearImmediate",
          "meta": {
            "added": [
              "v0.9.1"
            ],
            "changes": []
          },
          "desc": "<p><a href=\"timers.html#clearimmediateimmediate\"><code>clearImmediate</code></a> is described in the <a href=\"timers.html\">timers</a> section.</p>"
        },
        {
          "textRaw": "`clearInterval(intervalObject)`",
          "type": "global",
          "name": "clearInterval",
          "meta": {
            "added": [
              "v0.0.1"
            ],
            "changes": []
          },
          "desc": "<p><a href=\"timers.html#clearintervaltimeout\"><code>clearInterval</code></a> is described in the <a href=\"timers.html\">timers</a> section.</p>"
        },
        {
          "textRaw": "`clearTimeout(timeoutObject)`",
          "type": "global",
          "name": "clearTimeout",
          "meta": {
            "added": [
              "v0.0.1"
            ],
            "changes": []
          },
          "desc": "<p><a href=\"timers.html#cleartimeouttimeout\"><code>clearTimeout</code></a> is described in the <a href=\"timers.html\">timers</a> section.</p>"
        },
        {
          "textRaw": "`console`",
          "name": "`console`",
          "meta": {
            "added": [
              "v0.1.100"
            ],
            "changes": []
          },
          "type": "global",
          "desc": "<ul>\n<li><a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object\" class=\"type\">&lt;Object&gt;</a></li>\n</ul>\n<p>Used to print to stdout and stderr. See the <a href=\"console.html\"><code>console</code></a> section.</p>"
        },
        {
          "textRaw": "`CustomEvent`",
          "name": "`CustomEvent`",
          "meta": {
            "added": [
              "v18.7.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental. Enable this API with the [`--experimental-global-customevent`][] CLI flag.",
          "type": "global",
          "desc": "<p>A browser-compatible implementation of the <a href=\"https://dom.spec.whatwg.org/#customevent\"><code>CustomEvent</code> Web API</a>.</p>"
        },
        {
          "textRaw": "`Event`",
          "name": "`Event`",
          "meta": {
            "added": [
              "v15.0.0"
            ],
            "changes": [
              {
                "version": "v15.4.0",
                "pr-url": "https://github.com/nodejs/node/pull/35949",
                "description": "No longer experimental."
              }
            ]
          },
          "type": "global",
          "desc": "<p>A browser-compatible implementation of the <code>Event</code> class. See\n<a href=\"events.html#eventtarget-and-event-api\"><code>EventTarget</code> and <code>Event</code> API</a> for more details.</p>"
        },
        {
          "textRaw": "`EventTarget`",
          "name": "`EventTarget`",
          "meta": {
            "added": [
              "v15.0.0"
            ],
            "changes": [
              {
                "version": "v15.4.0",
                "pr-url": "https://github.com/nodejs/node/pull/35949",
                "description": "No longer experimental."
              }
            ]
          },
          "type": "global",
          "desc": "<p>A browser-compatible implementation of the <code>EventTarget</code> class. See\n<a href=\"events.html#eventtarget-and-event-api\"><code>EventTarget</code> and <code>Event</code> API</a> for more details.</p>"
        },
        {
          "textRaw": "`global`",
          "name": "`global`",
          "meta": {
            "added": [
              "v0.1.27"
            ],
            "changes": []
          },
          "type": "global",
          "stability": 3,
          "stabilityText": "Legacy. Use [`globalThis`][] instead.",
          "desc": "<ul>\n<li><a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object\" class=\"type\">&lt;Object&gt;</a> The global namespace object.</li>\n</ul>\n<p>In browsers, the top-level scope has traditionally been the global scope. This\nmeans that <code>var something</code> will define a new global variable, except within\nECMAScript modules. In Node.js, this is different. The top-level scope is not\nthe global scope; <code>var something</code> inside a Node.js module will be local to that\nmodule, regardless of whether it is a <a href=\"modules.html\">CommonJS module</a> or an\n<a href=\"esm.html\">ECMAScript module</a>.</p>"
        },
        {
          "textRaw": "`MessageChannel`",
          "name": "`MessageChannel`",
          "meta": {
            "added": [
              "v15.0.0"
            ],
            "changes": []
          },
          "type": "global",
          "desc": "<p>The <code>MessageChannel</code> class. See <a href=\"worker_threads.html#class-messagechannel\"><code>MessageChannel</code></a> for more details.</p>"
        },
        {
          "textRaw": "`MessageEvent`",
          "name": "`MessageEvent`",
          "meta": {
            "added": [
              "v15.0.0"
            ],
            "changes": []
          },
          "type": "global",
          "desc": "<p>The <code>MessageEvent</code> class. See <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/MessageEvent/MessageEvent\"><code>MessageEvent</code></a> for more details.</p>"
        },
        {
          "textRaw": "`MessagePort`",
          "name": "`MessagePort`",
          "meta": {
            "added": [
              "v15.0.0"
            ],
            "changes": []
          },
          "type": "global",
          "desc": "<p>The <code>MessagePort</code> class. See <a href=\"worker_threads.html#class-messageport\"><code>MessagePort</code></a> for more details.</p>"
        },
        {
          "textRaw": "`process`",
          "name": "`process`",
          "meta": {
            "added": [
              "v0.1.7"
            ],
            "changes": []
          },
          "type": "global",
          "desc": "<ul>\n<li><a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object\" class=\"type\">&lt;Object&gt;</a></li>\n</ul>\n<p>The process object. See the <a href=\"process.html#process\"><code>process</code> object</a> section.</p>"
        },
        {
          "textRaw": "`queueMicrotask(callback)`",
          "type": "global",
          "name": "queueMicrotask",
          "meta": {
            "added": [
              "v11.0.0"
            ],
            "changes": []
          },
          "desc": "<ul>\n<li><code>callback</code> <a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function\" class=\"type\">&lt;Function&gt;</a> Function to be queued.</li>\n</ul>\n<p>The <code>queueMicrotask()</code> method queues a microtask to invoke <code>callback</code>. If\n<code>callback</code> throws an exception, the <a href=\"process.html#process\"><code>process</code> object</a> <code>'uncaughtException'</code>\nevent will be emitted.</p>\n<p>The microtask queue is managed by V8 and may be used in a similar manner to\nthe <a href=\"process.html#processnexttickcallback-args\"><code>process.nextTick()</code></a> queue, which is managed by Node.js. The\n<code>process.nextTick()</code> queue is always processed before the microtask queue\nwithin each turn of the Node.js event loop.</p>\n<pre><code class=\"language-js\">// Here, `queueMicrotask()` is used to ensure the 'load' event is always\n// emitted asynchronously, and therefore consistently. Using\n// `process.nextTick()` here would result in the 'load' event always emitting\n// before any other promise jobs.\n\nDataHandler.prototype.load = async function load(key) {\n  const hit = this._cache.get(key);\n  if (hit !== undefined) {\n    queueMicrotask(() => {\n      this.emit('load', hit);\n    });\n    return;\n  }\n\n  const data = await fetchData(key);\n  this._cache.set(key, data);\n  this.emit('load', data);\n};\n</code></pre>"
        },
        {
          "textRaw": "`setImmediate(callback[, ...args])`",
          "type": "global",
          "name": "setImmediate",
          "meta": {
            "added": [
              "v0.9.1"
            ],
            "changes": []
          },
          "desc": "<p><a href=\"timers.html#setimmediatecallback-args\"><code>setImmediate</code></a> is described in the <a href=\"timers.html\">timers</a> section.</p>"
        },
        {
          "textRaw": "`setInterval(callback, delay[, ...args])`",
          "type": "global",
          "name": "setInterval",
          "meta": {
            "added": [
              "v0.0.1"
            ],
            "changes": []
          },
          "desc": "<p><a href=\"timers.html#setintervalcallback-delay-args\"><code>setInterval</code></a> is described in the <a href=\"timers.html\">timers</a> section.</p>"
        },
        {
          "textRaw": "`setTimeout(callback, delay[, ...args])`",
          "type": "global",
          "name": "setTimeout",
          "meta": {
            "added": [
              "v0.0.1"
            ],
            "changes": []
          },
          "desc": "<p><a href=\"timers.html#settimeoutcallback-delay-args\"><code>setTimeout</code></a> is described in the <a href=\"timers.html\">timers</a> section.</p>"
        },
        {
          "textRaw": "`structuredClone(value[, options])`",
          "type": "global",
          "name": "structuredClone",
          "meta": {
            "added": [
              "v17.0.0"
            ],
            "changes": []
          },
          "desc": "<p>The WHATWG <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/structuredClone\"><code>structuredClone</code></a> method.</p>"
        },
        {
          "textRaw": "`DOMException`",
          "name": "`DOMException`",
          "meta": {
            "added": [
              "v17.0.0"
            ],
            "changes": []
          },
          "type": "global",
          "desc": "<p>The WHATWG <code>DOMException</code> class. See <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/DOMException\"><code>DOMException</code></a> for more details.</p>"
        },
        {
          "textRaw": "`TextDecoder`",
          "name": "`TextDecoder`",
          "meta": {
            "added": [
              "v11.0.0"
            ],
            "changes": []
          },
          "type": "global",
          "desc": "<p>The WHATWG <code>TextDecoder</code> class. See the <a href=\"util.html#class-utiltextdecoder\"><code>TextDecoder</code></a> section.</p>"
        },
        {
          "textRaw": "`TextEncoder`",
          "name": "`TextEncoder`",
          "meta": {
            "added": [
              "v11.0.0"
            ],
            "changes": []
          },
          "type": "global",
          "desc": "<p>The WHATWG <code>TextEncoder</code> class. See the <a href=\"util.html#class-utiltextencoder\"><code>TextEncoder</code></a> section.</p>"
        },
        {
          "textRaw": "`URL`",
          "name": "`URL`",
          "meta": {
            "added": [
              "v10.0.0"
            ],
            "changes": []
          },
          "type": "global",
          "desc": "<p>The WHATWG <code>URL</code> class. See the <a href=\"url.html#class-url\"><code>URL</code></a> section.</p>"
        },
        {
          "textRaw": "`URLSearchParams`",
          "name": "`URLSearchParams`",
          "meta": {
            "added": [
              "v10.0.0"
            ],
            "changes": []
          },
          "type": "global",
          "desc": "<p>The WHATWG <code>URLSearchParams</code> class. See the <a href=\"url.html#class-urlsearchparams\"><code>URLSearchParams</code></a> section.</p>"
        },
        {
          "textRaw": "`WebAssembly`",
          "name": "`WebAssembly`",
          "meta": {
            "added": [
              "v8.0.0"
            ],
            "changes": []
          },
          "type": "global",
          "desc": "<ul>\n<li><a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object\" class=\"type\">&lt;Object&gt;</a></li>\n</ul>\n<p>The object that acts as the namespace for all W3C\n<a href=\"https://webassembly.org\">WebAssembly</a> related functionality. See the\n<a href=\"https://developer.mozilla.org/en-US/docs/WebAssembly\">Mozilla Developer Network</a> for usage and compatibility.</p>"
        }
      ],
      "classes": [
        {
          "textRaw": "Class: `ByteLengthQueuingStrategy`",
          "type": "class",
          "name": "ByteLengthQueuingStrategy",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-bytelengthqueuingstrategy\"><code>ByteLengthQueuingStrategy</code></a>.</p>"
        },
        {
          "textRaw": "Class: `CompressionStream`",
          "type": "class",
          "name": "CompressionStream",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-compressionstream\"><code>CompressionStream</code></a>.</p>"
        },
        {
          "textRaw": "Class: `CountQueuingStrategy`",
          "type": "class",
          "name": "CountQueuingStrategy",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-countqueuingstrategy\"><code>CountQueuingStrategy</code></a>.</p>"
        },
        {
          "textRaw": "Class: `DecompressionStream`",
          "type": "class",
          "name": "DecompressionStream",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-decompressionstream\"><code>DecompressionStream</code></a>.</p>"
        },
        {
          "textRaw": "Class: `ReadableByteStreamController`",
          "type": "class",
          "name": "ReadableByteStreamController",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-readablebytestreamcontroller\"><code>ReadableByteStreamController</code></a>.</p>"
        },
        {
          "textRaw": "Class: `ReadableStream`",
          "type": "class",
          "name": "ReadableStream",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-readablestream\"><code>ReadableStream</code></a>.</p>"
        },
        {
          "textRaw": "Class: `ReadableStreamBYOBReader`",
          "type": "class",
          "name": "ReadableStreamBYOBReader",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-readablestreambyobreader\"><code>ReadableStreamBYOBReader</code></a>.</p>"
        },
        {
          "textRaw": "Class: `ReadableStreamBYOBRequest`",
          "type": "class",
          "name": "ReadableStreamBYOBRequest",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-readablestreambyobrequest\"><code>ReadableStreamBYOBRequest</code></a>.</p>"
        },
        {
          "textRaw": "Class: `ReadableStreamDefaultController`",
          "type": "class",
          "name": "ReadableStreamDefaultController",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-readablestreamdefaultcontroller\"><code>ReadableStreamDefaultController</code></a>.</p>"
        },
        {
          "textRaw": "Class: `ReadableStreamDefaultReader`",
          "type": "class",
          "name": "ReadableStreamDefaultReader",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-readablestreamdefaultreader\"><code>ReadableStreamDefaultReader</code></a>.</p>"
        },
        {
          "textRaw": "Class: `TextDecoderStream`",
          "type": "class",
          "name": "TextDecoderStream",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-textdecoderstream\"><code>TextDecoderStream</code></a>.</p>"
        },
        {
          "textRaw": "Class: `TextEncoderStream`",
          "type": "class",
          "name": "TextEncoderStream",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-textencoderstream\"><code>TextEncoderStream</code></a>.</p>"
        },
        {
          "textRaw": "Class: `TransformStream`",
          "type": "class",
          "name": "TransformStream",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-transformstream\"><code>TransformStream</code></a>.</p>"
        },
        {
          "textRaw": "Class: `TransformStreamDefaultController`",
          "type": "class",
          "name": "TransformStreamDefaultController",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-transformstreamdefaultcontroller\"><code>TransformStreamDefaultController</code></a>.</p>"
        },
        {
          "textRaw": "Class: `WritableStream`",
          "type": "class",
          "name": "WritableStream",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-writablestream\"><code>WritableStream</code></a>.</p>"
        },
        {
          "textRaw": "Class: `WritableStreamDefaultController`",
          "type": "class",
          "name": "WritableStreamDefaultController",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-writablestreamdefaultcontroller\"><code>WritableStreamDefaultController</code></a>.</p>"
        },
        {
          "textRaw": "Class: `WritableStreamDefaultWriter`",
          "type": "class",
          "name": "WritableStreamDefaultWriter",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webstreams.html#class-writablestreamdefaultwriter\"><code>WritableStreamDefaultWriter</code></a>.</p>"
        }
      ],
      "miscs": [
        {
          "textRaw": "`__dirname`",
          "name": "`__dirname`",
          "desc": "<p>This variable may appear to be global but is not. See <a href=\"modules.html#__dirname\"><code>__dirname</code></a>.</p>",
          "type": "misc",
          "displayName": "`__dirname`"
        },
        {
          "textRaw": "`__filename`",
          "name": "`__filename`",
          "desc": "<p>This variable may appear to be global but is not. See <a href=\"modules.html#__filename\"><code>__filename</code></a>.</p>",
          "type": "misc",
          "displayName": "`__filename`"
        },
        {
          "textRaw": "`BroadcastChannel`",
          "name": "`broadcastchannel`",
          "meta": {
            "added": [
              "v18.0.0"
            ],
            "changes": []
          },
          "desc": "<p>See <a href=\"worker_threads.html#class-broadcastchannel-extends-eventtarget\" class=\"type\">&lt;BroadcastChannel&gt;</a>.</p>",
          "type": "misc",
          "displayName": "`BroadcastChannel`"
        },
        {
          "textRaw": "`Crypto`",
          "name": "`crypto`",
          "meta": {
            "added": [
              "v17.6.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental. Enable this API with the [`--experimental-global-webcrypto`][] CLI flag.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webcrypto.html#class-crypto\" class=\"type\">&lt;Crypto&gt;</a>. This global is available\nonly if the Node.js binary was compiled with including support for the\n<code>node:crypto</code> module.</p>",
          "type": "misc",
          "displayName": "`Crypto`"
        },
        {
          "textRaw": "`crypto`",
          "name": "`crypto`",
          "meta": {
            "added": [
              "v17.6.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental. Enable this API with the [`--experimental-global-webcrypto`][] CLI flag.",
          "desc": "<p>A browser-compatible implementation of the <a href=\"webcrypto.html\">Web Crypto API</a>.</p>",
          "type": "misc",
          "displayName": "`crypto`"
        },
        {
          "textRaw": "`CryptoKey`",
          "name": "`cryptokey`",
          "meta": {
            "added": [
              "v17.6.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental. Enable this API with the [`--experimental-global-webcrypto`][] CLI flag.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webcrypto.html#class-cryptokey\" class=\"type\">&lt;CryptoKey&gt;</a>. This global is available\nonly if the Node.js binary was compiled with including support for the\n<code>node:crypto</code> module.</p>",
          "type": "misc",
          "displayName": "`CryptoKey`"
        },
        {
          "textRaw": "`exports`",
          "name": "`exports`",
          "desc": "<p>This variable may appear to be global but is not. See <a href=\"modules.html#exports\"><code>exports</code></a>.</p>",
          "type": "misc",
          "displayName": "`exports`"
        },
        {
          "textRaw": "`fetch`",
          "name": "`fetch`",
          "meta": {
            "added": [
              "v17.5.0"
            ],
            "changes": [
              {
                "version": "v18.0.0",
                "pr-url": "https://github.com/nodejs/node/pull/41811",
                "description": "No longer behind `--experimental-fetch` CLI flag."
              }
            ]
          },
          "stability": 1,
          "stabilityText": "Experimental. Disable this API with the [`--no-experimental-fetch`][] CLI flag.",
          "desc": "<p>A browser-compatible implementation of the <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/fetch\"><code>fetch()</code></a> function.</p>",
          "type": "misc",
          "displayName": "`fetch`"
        },
        {
          "textRaw": "Class `FormData`",
          "name": "class_`formdata`",
          "meta": {
            "added": [
              "v17.6.0"
            ],
            "changes": [
              {
                "version": "v18.0.0",
                "pr-url": "https://github.com/nodejs/node/pull/41811",
                "description": "No longer behind `--experimental-fetch` CLI flag."
              }
            ]
          },
          "stability": 1,
          "stabilityText": "Experimental. Disable this API with the [`--no-experimental-fetch`][] CLI flag.",
          "desc": "<p>A browser-compatible implementation of <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/FormData\" class=\"type\">&lt;FormData&gt;</a>.</p>",
          "type": "misc",
          "displayName": "Class `FormData`"
        },
        {
          "textRaw": "Class `Headers`",
          "name": "class_`headers`",
          "meta": {
            "added": [
              "v17.5.0"
            ],
            "changes": [
              {
                "version": "v18.0.0",
                "pr-url": "https://github.com/nodejs/node/pull/41811",
                "description": "No longer behind `--experimental-fetch` CLI flag."
              }
            ]
          },
          "stability": 1,
          "stabilityText": "Experimental. Disable this API with the [`--no-experimental-fetch`][] CLI flag.",
          "desc": "<p>A browser-compatible implementation of <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/Headers\" class=\"type\">&lt;Headers&gt;</a>.</p>",
          "type": "misc",
          "displayName": "Class `Headers`"
        },
        {
          "textRaw": "`module`",
          "name": "`module`",
          "desc": "<p>This variable may appear to be global but is not. See <a href=\"modules.html#module\"><code>module</code></a>.</p>",
          "type": "misc",
          "displayName": "`module`"
        },
        {
          "textRaw": "`performance`",
          "name": "`performance`",
          "meta": {
            "added": [
              "v16.0.0"
            ],
            "changes": []
          },
          "desc": "<p>The <a href=\"perf_hooks.html#perf_hooksperformance\"><code>perf_hooks.performance</code></a> object.</p>",
          "type": "misc",
          "displayName": "`performance`"
        },
        {
          "textRaw": "`Response`",
          "name": "`response`",
          "meta": {
            "added": [
              "v17.5.0"
            ],
            "changes": [
              {
                "version": "v18.0.0",
                "pr-url": "https://github.com/nodejs/node/pull/41811",
                "description": "No longer behind `--experimental-fetch` CLI flag."
              }
            ]
          },
          "stability": 1,
          "stabilityText": "Experimental. Disable this API with the [`--no-experimental-fetch`][] CLI flag.",
          "desc": "<p>A browser-compatible implementation of <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/Response\" class=\"type\">&lt;Response&gt;</a>.</p>",
          "type": "misc",
          "displayName": "`Response`"
        },
        {
          "textRaw": "`Request`",
          "name": "`request`",
          "meta": {
            "added": [
              "v17.5.0"
            ],
            "changes": [
              {
                "version": "v18.0.0",
                "pr-url": "https://github.com/nodejs/node/pull/41811",
                "description": "No longer behind `--experimental-fetch` CLI flag."
              }
            ]
          },
          "stability": 1,
          "stabilityText": "Experimental. Disable this API with the [`--no-experimental-fetch`][] CLI flag.",
          "desc": "<p>A browser-compatible implementation of <a href=\"https://developer.mozilla.org/en-US/docs/Web/API/Request\" class=\"type\">&lt;Request&gt;</a>.</p>",
          "type": "misc",
          "displayName": "`Request`"
        },
        {
          "textRaw": "`SubtleCrypto`",
          "name": "`subtlecrypto`",
          "meta": {
            "added": [
              "v17.6.0"
            ],
            "changes": []
          },
          "stability": 1,
          "stabilityText": "Experimental. Enable this API with the [`--experimental-global-webcrypto`][] CLI flag.",
          "desc": "<p>A browser-compatible implementation of <a href=\"webcrypto.html#class-subtlecrypto\" class=\"type\">&lt;SubtleCrypto&gt;</a>. This global is available\nonly if the Node.js binary was compiled with including support for the\n<code>node:crypto</code> module.</p>",
          "type": "misc",
          "displayName": "`SubtleCrypto`"
        }
      ],
      "methods": [
        {
          "textRaw": "`atob(data)`",
          "type": "method",
          "name": "atob",
          "meta": {
            "added": [
              "v16.0.0"
            ],
            "changes": []
          },
          "stability": 3,
          "stabilityText": "Legacy. Use `Buffer.from(data, 'base64')` instead.",
          "signatures": [
            {
              "params": []
            }
          ],
          "desc": "<p>Global alias for <a href=\"buffer.html#bufferatobdata\"><code>buffer.atob()</code></a>.</p>"
        },
        {
          "textRaw": "`btoa(data)`",
          "type": "method",
          "name": "btoa",
          "meta": {
            "added": [
              "v16.0.0"
            ],
            "changes": []
          },
          "stability": 3,
          "stabilityText": "Legacy. Use `buf.toString('base64')` instead.",
          "signatures": [
            {
              "params": []
            }
          ],
          "desc": "<p>Global alias for <a href=\"buffer.html#bufferbtoadata\"><code>buffer.btoa()</code></a>.</p>"
        },
        {
          "textRaw": "`require()`",
          "type": "method",
          "name": "require",
          "signatures": [
            {
              "params": []
            }
          ],
          "desc": "<p>This variable may appear to be global but is not. See <a href=\"modules.html#requireid\"><code>require()</code></a>.</p>"
        }
      ]
    }
  ]
}