js execution time viewer_javascript skills

效果如图所示:

演示代码:

<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>test</title> <script src="http://demo.jb51.net/jslib/other/runtime.js"></script> <script> onerror = function() { location.reload(); return true; } Test.run( '</script>