js jquery 获取某一元素到浏览器顶端的距离实现方法
2020-03-11 本文已影响0人
MC桥默
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<style>
body{
margin: 0;
padding: 0;
}
.mdiv{
width: 100px;
height: 100px;
background-color: red;
}
</style>
</head>
<body>
<div style="height: 1000px"></div>
<div class="banner"></div>
<script src="jquery.js"></script> //自行下载
<script>
//原生
//获取div距离顶部的距离
var mTop = document.getElementsByClassName('banner')[0].offsetTop;
//减去滚动条的高度
var sTop = document.body.scrollTop;
var result = mTop - sTop;
console.log(result);
//Jquery
mTop = $('.banner')[0].offsetTop;
sTop = $(window).scrollTop();
result = mTop - sTop;
console.log(result);
</script>
</body>
