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07-offset方法与position方法.html
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07-offset方法与position方法.html
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
* {
margin: 0;
padding: 0;
}
.father {
width: 400px;
height: 400px;
background-color: pink;
margin: 100px;
position: relative;
}
.son {
width: 300px;
height: 300px;
background-color: red;
margin-left: 100px;
}
.sun {
width: 200px;
height: 200px;
background-color: goldenrod;
position: absolute;
left: 50px;
top: 50px;
}
</style>
</head>
<body>
<div class="father">
<div class="son">
<div class="sun"></div>
</div>
</div>
<script src="jquery-1.12.4.js"></script>
<script>
$(function () {
//offset: 获取的是直接相对与body的位置， 返回的也是个对象，left top
//console.log($(".sun").offset().left);
//$(".sun").offset({left:500, top:500});
//postion: 获取的是相对于有定位的父元素的位置，返回的是对象，left和top
//console.log($(".sun").position().left);
//console.log($(".sun").position().top);
//postion只能获取，不能设置。
//$(".sun").css({left:100, top:100});
});
</script>
</body>
</html>