<div class="htmlarea"> <textarea id="runcode55149"> <title></title> <script language="JavaScript"> ripplespeed = 300; string = "javascript"; function rippleText() { box = document.scrollform.box; arg0 = rippleText.arguments[0]; i = (arg0) ? ( (arg0 == string.length) ? 0 : arg0) : 0; box.value = string.substring(0,i) + (string.substring(i,i+1).toUpperCase()) + string.substring(i+1, string.length); scrollcmd = "rippleText("+(i+1)+")"; timer = window.setTimeout(scrollcmd, ripplespeed); } </script> <center> <form name="scrollform"> <input type="text" name="box" size="30"> </form> </center> </textarea><br><input onclick="runEx('runcode55149')" type="button" value="运行代码"> <input onclick="doCopy('runcode55149')" type="button" value="复制代码"> <input onclick="doSave(runcode55149)" 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>