我是一个菜鸟,我做了一段代码,但老是出问题.
这个CASE是这样个的.就是我一点 "开始 "线的宽度就开始增加,一点 "停止 "就停止.
附代码如下:请高手帮忙.
<html>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 ">
<title> Write The Codes By Myself </title>
<script language= "javascript ">
<!--hidden
function cl()
{
this.timer=null;
}
cl.prototype.st=function(n){this.timer=window.setInterval( "this.add( ' "+n+ " ') ",100);}
cl.prototype.add=function(n)
{
var obj=document.getElementById(n);
obj.style.width=parseInt(obj.style.width)+10;
}
cl.prototype.stoped=function() { window.clearInterval(this.timer); }
var my=new cl();
-->
</script>
</head>
<body>
<hr style= "width:10px " id= "line ">
<form>
<input type= "button " name= "Submit " value= "开始 " onClick= "javascript:my.st( 'line '); ">
<input type= "button " name= "Submit2 " value= "停止 " onClick= "javascript:my.stoped(); ">
</form>
</body>
</html> | 
