利用setInterval計(jì)時(shí)器進(jìn)行運(yùn)動(dòng)，offsetWidth實(shí)現(xiàn)寬度的變動(dòng)，在用onmouseover將終點(diǎn)和所選中的DIV放入?yún)?shù)再進(jìn)行緩沖運(yùn)動(dòng)。
<head runat="server">
<title></title>
<style type="text/css">
div
{
width: 100px;
height: 50px;
background: #0000FF;
margin: 10px;
}
</style>
<script type="text/javascript">
window.onload = function () {
var oDiv = document.getElementsByTagName('div');
for (var i = 0; i < oDiv.length; i++) {
oDiv[i].timer = null; //給買個(gè)DIV做個(gè)標(biāo)記，用以關(guān)閉相應(yīng)DIV的定時(shí)器
oDiv[i].onmouseover = function () {
move(this, 400); //給定時(shí)器輸出參數(shù)
}
oDiv[i].onmouseout = function () {
move(this, 100);
}
}
};
function move(div, end) {
clearInterval(div.timer);
div.timer = setInterval(function () {
var speed = (end - div.offsetWidth) / 5; //（終點(diǎn)-要走的寬度）/縮放系數(shù)=DIV移動(dòng)的速度
speed = speed > 0 ? Math.ceil(speed) : Math.floor(speed); //小數(shù)取整，也就是進(jìn)位取整
if (div.offsetWidth == end) { //當(dāng)?shù)竭_(dá)終點(diǎn)時(shí)關(guān)閉計(jì)時(shí)器
clearInterval(div.timer);
}
else {
div.style.width = div.offsetWidth + speed + 'px'; //移動(dòng)DIV的寬度
}
}, 30)
}
</script>
</head>
<body>
<div>
</div>
<div>
</div>
<div>
</div>
</body>
