1.基本概念
- slideDown() 向下滑动，显示
- slideUp() 向上滑动，隐藏
- slideToggle() 滑动切换
2.代码如下
滑动展示
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>滑动动画</title>
<style>
#box {
300px;
height: 200px;
border: 1px solid #000;
background-color: #ccc;
}
</style>
</head>
<body>
<button id="show">显示</button>
<button id="hide">隐藏</button>
<button id="toggle">切换</button>
<div id="box">文字</div>
<script src=" https://cdn.bootcss.com/jquery/3.5.0/jquery.min.js"></script>
<script>
$("#show").click(function() {
$("#box").slideDown(1500)
})
$("#hide").click(function() {
$("#box").slideUp(1500)
})
$("#toggle").click(function() {
$("#box").slideToggle(1500)
})
</script>
</body>
</html>
滑动应用
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>滑动导航</title>
<style>
ul {
list-style: none;
}
li {
240px;
font-size: 14px;
padding: 15px 20px;
}
li:hover {
background-color: #ecf5ff;
}
#subNav {
display: none;
200px;
}
</style>
</head>
<body>
<div id="nav">
<ul class="list">
<li>导航1
<ul class="subNav">
<li>选项1</li>
<li>选项2</li>
</ul>
</li>
<li>导航2
<ul class="subNav">
<li>选项1</li>
<li>选项2</li>
</ul>
</li>
<li>导航3
<ul class="subNav">
<li>选项1</li>
<li>选项2</li>
</ul>
</li>
</ul>
</div>
</body>
<script src=" https://cdn.bootcss.com/jquery/3.5.0/jquery.min.js"></script>
<script>
$(".list>li").click(function() {
$(this).find('.subNav').slideToggle()
})
</script>
</html>
滑动应用
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>从底部显示文字</title>
<style>
* {
margin: 0;
padding: 0;
}
#box {
200px;
height: 240px;
border: 1px solid #000;
position: relative;
margin: 0 auto;
}
.bottomShow {
border: 1px solid red;
position: absolute;
bottom: 0px;
left: 0px;
display: none;
}
</style>
</head>
<body>
<div id="box">
<p>产品</p>
<p class="bottomShow">我爱你</p>
</div>
<script src=" https://cdn.bootcss.com/jquery/3.5.0/jquery.min.js"></script>
<script>
$("#box").mouseover(function() {
$(".bottomShow").slideDown(1000)
})
$("#box").mouseout(function() {
$(".bottomShow").slideUp()
})
</script>
</body>
</html>