文章中的代码演示功能~

对于学习js有很大的帮助
[CODE]
<Script>
function Run() {
var str = document.all.stefli.value;
var re = /(/[STEFLICODE])(.[^/[]+)(/[//STEFLICODE])/i;

var html = str.replace(re,"$2");
var obj = window.open("","_blank","");
obj.document.writeln(html);
}
</Script>
<textarea cols="80" rows="10" name="stefli">
</textarea>
<input type="button" value="运行" onClick="Run();">
[CODE]