????： <!DOCTYPE html><html> <head> <title>下滑線跟隨導(dǎo)航</title> <meta charset="utf-8"/> <script type="text/javascript" src=&
<!DOCTYPE html>
<html>
<head>
<title>下滑線跟隨導(dǎo)航</title>
<meta charset="utf-8"/>
<script type="text/javascript" src="jquery-3.3.1.min.js"></script>
<style type="text/css">
*{padding:0;margin:0;}
ul {list-style: none;z-index:20;position:relative;font-size: 20px;}
li {float:left;cursor:pointer;width:150px;height: 30px;text-align:center;line-height:30px;color: #fff;font-weight: bold;}
.menu{width:770px;position:relative;margin:20px auto;height:32px;box-shadow: 0 2px 20px #000;background: blue;border-radius:10px }
</style>
<script type="text/javascript">
$(function(){
$('li').hover(
function(){
$x=parseInt($(this).attr('name'))*150
$('.block').stop().animate({left:$x+'px'},300)
},
function(){
$('.block').stop().animate({left:'0px'},300)
}
)
})
</script>
</head>
<body>
<div class="menu">
<ul>
<li name="0">首頁</li>
<li name="1">語文</li>
<li name="2">數(shù)學(xué)</li>
<li name="3">英語</li>
<li name="4">美術(shù)</li>
</ul>
<div class="block" style="z-index:10;width:150px;height:2px;background:#fff;position:absolute;top:30px;"></div>
</div>
</body>
</html>
?? ???：天蓬老師?? ??：2019-04-10 09:54:10
???? ??：在jQuery中, 很多方法的參數(shù)的都要求對(duì)象字面量, 這個(gè)一定要留意,并進(jìn)行總結(jié)