
源码如下:
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<style>
#div1 {width: 100px; height: 100px; background: orange; left: 0px; position: absolute;}
</style>
<script>
function css(obj,attr,val){
if(!val){
if(obj.currentStyle){
return obj.currentStyle[attr];
}else{
return getComputedStyle(obj,false)[attr];
}
}else{
obj.style[attr]=val;
}
}
window.onload=function(){
var oDiv=document.getElementById('div1');
var timer=null;
oDiv.onclick=function(){
timer=setInterval(function(){
timer=setInterval(function(){
// var iLeft=parseInt(css(oDiv,'left'))+10;
// css(oDiv,'left',iLeft+'px');
// clearInterval(time);
},1000);
var iLeft=parseInt(css(oDiv,'left'))+10;
css(oDiv,'left',iLeft+'px');
clearInterval(timer);
},500);
};
};
</script>
</head>
<body>
<div id="div1"></div>
</body>
</html>
单击橙色的“口子”,这个“口子”移动,说明执行到 clearInterval(timer);的前面一句,那么应该清除定时器了,怎么着“口子”一直移动下去?