求助结果有点问题！
我的目标是鼠标滑过，width=400,height=400,opactiy=1,鼠标移除，回归原样，width=200,height=200,opacity=0.3;但是我的运行出来鼠标滑过width=396,height=396,opactiy=1,移除width=204,height=204,opactiy=0.3,
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>练习链式运动</title>
<style type="text/css">
*{margin:0; padding: 0}
div{
height:200px;
width: 200px;
background: #fc6;
filter: alpha(opacity=30);
opacity: 0.3;
}
</style>
<script src="js/js.js "></script>
<script type="text/javascript">
window.onload=function(){
var div0=document.getElementById('div0');
div0.onmouseover=function(){
startMove(this,{'width':400,'height':400,'opacity':100});
}
div0.onmouseout=function(){
startMove(this,{'width':200,'height':200,'opacity':30});
}
}
</script>
</head>
<body>
<div id="div0"></div>
</body>
</html>
function getStyle(obj, attr) {
if (obj.currentStylt) {
return obj.currentStyle[attr];
} else {
return getComputedStyle(obj, false)[attr];
}
}
function startMove(obj, json, fn) {
clearInterval(obj.timer);
obj.timer = setInterval(function() {
for (var attr in json) {
// 获取当前值
var icurr = 0,
flag = true;
if (attr == 'opacity') {
icurr = Math.round(parseFloat(getStyle(obj, attr) * 100));
} else {
icurr = parseInt(getStyle(obj, attr));
}
// 算速度
var speed = (json[attr] - icurr) / 6;
speed = (speed > 0 ? Math.ceil(speed) : Math.floor(speed));
// 测试停止
if (icurr != json[attr]) {
flag = false;
}
if (attr == 'opacity') {
obj.style.filter = 'alpha(opacity=' + (icurr + speed) + ')';
obj.style[attr] = (icurr + speed) / 100;
} else {
obj.style[attr] = (icurr + speed) + 'px';
}
}
if(flag){
clearInterval(obj.timer);
}
if(fn){
fn();
}
//
}, 30);
}
哪里出问题了
