求解为什么没效果~
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery动画特效</title>
<style type="text/css">
div{
border:yellow 2px solid;
background-color:blue;
width:100px;
height:100px;
position:absolute;
left:100px;
top:50px;
margin:0px;
}
</style>
<script type="text/javascript" src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
</head>
<body>
<input type="button" value="左移" class="l50" />
<input type="button" value="右移" class="r50" />
<div></div>
<script>
$(".l50").bind("click",function(){
$("div").animate({
right:"+=50px";
},3000,function(){
$(".l50").attr("disabled",true);
$("r50").attr("disabled",false);
}
)
})
$(".r50").bind("click",function(){
$("div").animate(
{
left:"+=50px";
},3000,function(){
$(".r50").attr("disabled",true);
$(",l50").attr("disabled",false);
}
)
})
</script>
</body>
</html>
