<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>多定时器多物体运动框架</title>
<style type="text/css">
#div1{
width: 200px;
height: 200px;
background: yellow;
margin: 10px;
float: left;
}
#div2{
width: 200px;
height: 200px;
background: yellow;
margin: 10px;
float: left;
}
</style>
</head>
<body>
<div id="div1">变宽</div>
<div id="div2">变高</div>
<script type="text/javascript">
window.onload=function(){
var oDiv1=document.getElementById('div1');
oDiv1.onmouseover=function(){
startMove1(this,400);
}
oDiv1.onmouseout=function(){
startMove1(this,200);
}
var oDiv2=document.getElementById('div2');
oDiv2.onmouseover=function(){
startMove2(this,400);
}
oDiv2.onmouseout=function(){
startMove2(this,200);
}
}
function startMove1(obj,iTarget){
clearInterval(obj.timer);
obj.timer=setInterval(function(){
speed=(iTarget-obj.offsetWidth)/6;
speed=speed>0?Math.ceil(speed):Math.floor(speed);
if(obj.offsetWidth==iTarget){
clearInterval(obj.timer);
}else{
obj.style.width=obj.offsetWidth+speed+'px';
}
},30);
}
function startMove2(obj,iTarget){
clearInterval(obj.timer);
obj.timer=setInterval(function(){
speed=(iTarget-obj.offsetHeight)/6;
speed=speed>0?Math.ceil(speed):Math.floor(speed);
if(obj.offsetHeight==iTarget){
clearInterval(obj.timer);
}else{
obj.style.height=obj.offsetHeight+speed+'px';
}
},30);
}
</script>
</body>
</html>