//----------------使用了window.open和document.write在新页面中打开用户提交的代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>codeWindow</title> </head> <script type="text/javascript"> window.onload=function(){ oText=document.getElementsByTagName(‘textarea‘)[0]; oBtn=document.getElementsByTagName(‘input‘)[0]; oBtn.onclick=function(){ add=window.open(‘about:blank‘,‘_blank‘); add.document.write(oText.value); } } </script> <body> <textarea cols="100" rows="30"></textarea> <input type="button" value="runCode" /> </body> </html>
原文：http://www.cnblogs.com/fleshy/p/4121949.html