1These flags are for Node.js core development usage only. Do not use these flags 2in your own applications. These flags are not subjected to semantic versioning 3rules. The core developers may remove these flags in any version of Node.js. 4 5# Internal documentation of Node.js 6 7## CLI 8 9### Flags 10 11#### `--inspect-brk-node[=[host:]port]` 12 13<!-- YAML 14added: v7.6.0 15--> 16 17Activate inspector on `host:port` and break at start of the first internal 18JavaScript script executed when the inspector is available. 19Default `host:port` is `127.0.0.1:9229`. 20