Specification
[1]
Syntax
<iframe src="http://a.example.com:8080/index/studio/projects/4what.cn/lab/JavaScript/Document.domain/iframe.html" id="iframe"></iframe>
<script type="text/javascript"> document.domain = "example.com"; var iframe = document.getElementById("iframe"); iframe.onload = function () { alert(iframe.contentWindow.document.body.innerHTML); }; </script>
iframe.html
<script type="text/javascript"> document.domain = "example.com"; </script>
Example