<div class="htmlarea"> <textarea id="runcode55933"> <div id="jb51"></div> <script>setInterval("document.getElementById('jb51').innerHTML=new Date().toLocaleString()+' 星期'+'日一二三四五六'.charAt(new Date().getDay());",1000); </script> </textarea><br><input onclick="runEx('runcode55933')" type="button" value="运行代码"> <input onclick="doCopy('runcode55933')" type="button" value="复制代码"> <input onclick="doSave(runcode55933)" type="button" value="保存代码">[Ctrl+A 全选 注:<a href="http://www.jb51.net/article/23421.htm" title="查看具体详情" target="_blank">如需引入外部Js需刷新才能执行</a>]</div> <br>注意用了document.getElementById,兼容firefox浏览器
