jQuery选择器之子元素过滤选择器
本文实例为大家分享了jQuery子元素过滤选择器的具体代码,供大家参考,具体内容如下
<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"> div, span, p { width: 140px; height: 140px; margin: 5px; background: #aaa; border: #000 1px solid; float: left; font-size: 17px; font-family: Verdana; } div.mini { width: 55px; height: 55px; background-color: #aaa; font-size: 12px; } div.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. $("div.one :nth-child(2)").css("background", "#ffbbaa"); }); $("#btn2").click(function(){ $("div.one :first-child").css("background", "#ffbbaa"); }); $("#btn3").click(function(){ $("div.one :last-child").css("background", "#ffbbaa"); }); $("#btn4").click(function(){ $("div.one :only-child").css("background", "#ffbbaa"); }); }); </script> </head> <body> <input type="button" value="选取每个class为one的div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div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div父元素下的最后一个子元素." id="btn3"/> <input type="button" value="如果class为one的div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> <div class="one" id="one"> id 为 one,class 为 one 的div <div class="mini">class为mini</div> </div> <div class="one" id="two" title="test"> id为two,class为one,title为test的div <div class="mini" title="other">class为mini,title为other</div> <div class="mini" title="test">class为mini,title为test</div> </div> <div class="one"> <div class="mini">class为mini</div> <div class="mini">class为mini</div> <div class="mini">class为mini</div> <div class="mini"></div> </div> <div class="one"> <div class="mini">class为mini</div> <div class="mini">class为mini</div> <div class="mini">class为mini</div> <div class="mini" title="tesst">class为mini,title为tesst</div> </div> <div style="display:none;" class="none">style的display为"none"的div</div> <div class="hide">class为"hide"的div</div> <div> 包含input的type为"hidden"的div<input type="hidden" value="123456789" size="8"> </div> <div id="mover">正在执行动画的div元素.</div> </body> </html>
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