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Detailed explanation of jQuery selector's example of sub-element filter selector
- 黄舟Original
- 2017-09-30 11:26:511073browse
This article mainly introduces the relevant information of the jQuery selector's child element filter selector in detail. It has certain reference value. Interested friends can refer to it.
The examples in this article are shared with you. The specific code of the jQuery sub-element filter selector is provided for your reference. The specific content is as follows
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Untitled Document</title>
<link rel="stylesheet" type="text/css" href="css/style.css" rel="external nofollow" >
<style type="text/css">
p, span, p {
width: 140px;
height: 140px;
margin: 5px;
background: #aaa;
border: #000 1px solid;
float: left;
font-size: 17px;
font-family: Verdana;
}
p.mini {
width: 55px;
height: 55px;
background-color: #aaa;
font-size: 12px;
}
p.hide {
display: none;
}
</style>
<script type="text/javascript" src="jquery-1.7.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("#btn1").click(function(){
//选取子元素, 需要在选择器前添加一个空格.
$("p.one :nth-child(2)").css("background", "#ffbbaa");
});
$("#btn2").click(function(){
$("p.one :first-child").css("background", "#ffbbaa");
});
$("#btn3").click(function(){
$("p.one :last-child").css("background", "#ffbbaa");
});
$("#btn4").click(function(){
$("p.one :only-child").css("background", "#ffbbaa");
});
});
</script>
</head>
<body>
<input type="button" value="选取每个class为one的p父元素下的第2个子元素." id="btn1"/>
<input type="button" value="选取每个class为one的p父元素下的第一个子元素." id="btn2"/>
<input type="button" value="选取每个class为one的p父元素下的最后一个子元素." id="btn3"/>
<input type="button" value="如果class为one的p父元素下的仅仅只有一个子元素，那么选中这个子元素." id="btn4"/>
<br><br>
<p class="one" id="one">
id 为 one,class 为 one 的p
<p class="mini">class为mini</p>
</p>
<p class="one" id="two" title="test">
id为two,class为one,title为test的p
<p class="mini" title="other">class为mini,title为other</p>
<p class="mini" title="test">class为mini,title为test</p>
</p>
<p class="one">
<p class="mini">class为mini</p>
<p class="mini">class为mini</p>
<p class="mini">class为mini</p>
<p class="mini"></p>
</p>
<p class="one">
<p class="mini">class为mini</p>
<p class="mini">class为mini</p>
<p class="mini">class为mini</p>
<p class="mini" title="tesst">class为mini,title为tesst</p>
</p>
<p style="display:none;" class="none">style的display为"none"的p</p>
<p class="hide">class为"hide"的p</p>
<p>
包含input的type为"hidden"的p<input type="hidden" value="123456789" size="8">
</p>
<p id="mover">正在执行动画的p元素.</p>
</body>
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