三级下拉菜单案例

原创 2019-02-17 17:05:51 183
摘要:<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0">&

<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<meta name="viewport" content="width=device-width, initial-scale=1.0">

<meta http-equiv="X-UA-Compatible" content="ie=edge">

<script src="../../demo/js/jq_3.3.1_mi.js"></script>

<title>Document</title>

<style>

*{margin: 0;padding: 0;}

.nav{width: 800px;height: 40px;margin: 0 auto;background: #000;margin-top: 20px;border: 2px solid #ccc;border-radius: 5px;}

ul{list-style: none;}

ul li{width: 100px;height: 40px;line-height: 40px;text-align: center;float: left;border-radius: 1px solid;cursor: pointer;color: #fff;}/* cursor: pointer;光标为指针状态 */

ul li:hover{background: #ccc;color: #000;}

.content li{width: 100px;height: 30px;line-height: 30px;background: #2d2d2d;color: #a9a9a9;font-size: 14px;position: relative;border: 0;}

.content li:hover{background: #000;color: #fff;}

.bottom{position: absolute;top: 0;left: 100px;}

.bottom{width: 99px;height: 30px;line-height: 30xp;border: 0;}

</style>

<script>

$(document).ready(function(){

$('.content').hide()

$('.bottom').hide()


$('.top>li').mouseover(function(){

$(this).find('.content').slideDown()

})

$('.top>li').mouseleave(function(){

$(this).find('.content').slideUp()

})

$('.content1').mouseover(function(){

$(this).find('.bottom').slideDown()

})

$('.content1').mouseleave(function(){

$(this).find('.bottom').slideUp()

})

})

</script>

</head>

<body>

<div class="nav">

<!-- 一级下拉菜单one -->

<ul class="top">

<li>秒杀

<ul class="content">

<li>会员</li>

<li>plus会员</li>

<li class="content1">3

<!-- 三级下拉菜单three -->

<ul class="bottom">

<li>1</li>

<li>2</li>

<li>3</li>

<li>4</li>

<li>5</li>

<li>6</li>

</ul>

</li>

<li>4</li>

<li>5</li>

<li>6</li>

</ul>

</li>

<li>闪购</li>

<li>拍卖</li>

<li>京东时尚</li>

<li>京东超市</li>

<li>京东生鲜</li>

<li>海囤全休</li>

<li>京东金融</li>

</ul>

</div>

</body>

</html>

总结:

试过使用hover()方法替代mouseover()方法,但是效果不太好没有移出三级标签隐藏的效果

批改老师:西门大官人批改时间:2019-02-17 17:13:26
老师总结:.content和.bottom可以直接设置为隐藏的,没有必要在document.ready里处理

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