1<ol> 2<li>Create a new tab.</li> 3<li>Navigate that tab to about:blank.</li> 4<li>Paste the following into the location bar: 5 <pre>javascript:x = new XMLHttpRequest(); x.open('get', 'http://jquery.com', false); x.send(); alert(x.responseText)</pre> 6</li> 7<li>Press "Enter".</li> 8<li>If you see the contents of jquery.com appear in an alert dialog, something 9has gone wrong.</li> 10</ol> 11