<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>滚动的小球</title>
<style>
*{margin:0; padding:0}
#div1{ width:200px; height:200px; background:red; border-radius:100px; position:relative;}
</style>
<script>
window.onload=function(){
var oDiv=document.getElementById("div1"),
flag=0;
oDiv.onmouseover=function(){
if(flag==0){
startMove(1200);
flag=1;
}
else{
startMove(0);
flag=0;
}
}
}
var timer=null;
function startMove(target){
clearInterval(timer);
var oDiv=document.getElementById("div1");
timer=setInterval(function(){
var speed=(target-oDiv.offsetLeft)/30;
speed=speed>0?Math.ceil(speed):Math.floor(speed);
if(oDiv.offsetLeft==target){
clearInterval(timer);
}else{
oDiv.style.left=oDiv.offsetLeft+speed+"px";
}
},5)
}
</script>
</head>
<body>
<div id="div1">
</div>
</body>
</html>
时间： 2024-11-07 11:58:05