为什么移动不了
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery动画特效</title>
<style>
div{
width:100px;
height:100px;
border:1px solid red;
position:absolute;
top:50px;
left:100px;
}
</style>
</head>
<body>
<input type="button" value="左移" id="left">
<input type="button" value="右移" id="right">
<div></div>
<script>
$(function(){
$("#left").bind("click",function(){
$("div").animate({
left:"+=50px"
},300,function(){
$("div").html("向左移了");
})
});
$("#right").bind("click",function(){
$("div").animate({
right:"+=50px"
},300,function(){
$("div").html("向右移了");
})
})
});
</script>
</body>
</html>
