<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Move</title>
<style type="text/css">
* {
margin: 0;
padding: 0;
}
#con {
width: 200px;
height: 200px;
background: red;
position: relative;
top: 0;
left: -100px;
}
#con span {
width: 20px;
height: 50px;
position: absolute;
top: 75px;
left: 200px;
background: blueviolet;
}
</style>
<script>
window.onload() = function () {
var oDiv = document.getElementById('con');
oDiv.onmouseover = function () {
startMove(0);
}
oDiv.onmouseout = function () {
startMove(-200);
}
}
var timer = null;
function startMove(iTarget) {
var oDiv = document.getElementById('con');
clearInterval(timer);
timer = setInterval(function () {
var speed = 0;
if (oDiv.offsetLeft < iTarget) {
speed = 10;
} else {
speed = -10;
}
if (oDiv.offsetLeft == iTarget) {
clearInterval(timer);
} else {
oDiv.style.left = oDiv.offsetLeft + speed + 'px';
}
},30);
}
</script>
</head>
<body>
<div id="con">
<span>分享</span>
</div>
</body>
</html>
解决了，是window.onload那不能加括号