<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
#div1{
width: 200px;
height: 200px;
background: #CCC;
position: absolute;
left: 0px;
}
#div2{
width: 1px;
height: 500px;
background: black;
position: absolute;
left: 500px;
}
#div3{
width: 1px;
height: 500px;
background: black;
position: absolute;
left: 900px;
}
</style>
<script>
window.onload=function () {
var oDiv1=document.getElementById("div1");
var oBtn1=document.getElementById("btn1");
var oBtn2=document.getElementById("btn2");
oBtn1.onclick=function (ev) {
move(500);
}
oBtn2.onclick=function (ev) {
move(900);
}
}
function move(target) {
var oDiv1=document.getElementById("div1");
var timer=null;
var speed;
clearInterval(timer);
timer=setInterval(function () {
speed=(target-oDiv1.offsetLeft)/10;
if(speed>0)
{
speed=Math.ceil(speed);
}
else
{
speed=Math.floor(speed);
}
if(Math.abs(target-oDiv1.offsetLeft)==0)
{
// oDiv1.style.left=target+'px'; //匀速运动的时候,如果靠不到目的地前,差点距离也行,然后使用障眼法
clearInterval(timer);
}
else
{
oDiv1.style.left=oDiv1.offsetLeft+speed+'px';
}
},30);
}
</script>
</head>
<body>
<input type="button" id="btn1" value="500">
<input type="button" id="btn2" value="900">
<div id="div1"></div>
<div id="div2"></div>
<div id="div3"></div>
</body>
</html>
JS缓冲运动
最新推荐文章于 2022-07-12 13:11:05 发布