<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
.box{
width: 200px;
height: 200px;
position: relative;
border:1px solid black;
}
.content{
width: 50px;
height: 50px;
background: red;
position: absolute;
top: 50px;
left: 100px;
}
</style>
<script type="text/javascript" src='jquery-3.2.1.min.js'></script>
<script type="text/javascript">
$(function(){
var $content_height = $('.content').css('height'); //获取.content元素的height,带有单位50px
var $height = $('.content').height(); //获取.content的高度，不带单位50
var $width = $('.content').width(); //获取.content的宽度，不带单位50
var $offset = $('.content').offset(); //获取.content元素在当前视窗的相对偏移
var top = $offset.top; //到当前视窗top的值
var left = $offset.left; //到当前视窗left的值
var $position = $('.content').position(); //获取元素相对于最近的一个position样式属性设置为relative或者absolute的父节点的相对偏移值
var position_top = $position.top; //
var position_left = $position.left;
var scrollTop = $('p').scrollTop(); //获取元素的滚动条距顶端的距离
var scrollLeft = $('p').scrollLeft(); //获取元素的滚动条距顶端的距离
$('.content').css('background','blue'); //设置.content元素的background为蓝色
$('.content').css({'background':'blue','width':'80px'}); //设置多个style
});
</script>
</head>
<body>
<div class="box">
<div class="content"></div>
</div>
</body>
</html>
