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演示-JQuery属性选择器

2016-10-03 13:02 274 查看
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
5 <title>index</title>
6 <script type="text/javascript" src="jquery-3.1.1.min.js">
7
8 </script>
9 <script type="text/javascript">
10     $(function(){
11             console.log("选择器“p[align]”长度为:"+$("p[align]").length);
12             console.log("选择器“p[align='center']”长度为:"+$("p[align='center']").length);
13             console.log("选择器“p[title='hellohtmlworld']t”长度为:"+$("p[title='hellohtmlworld']").length);
14             console.log("选择器“p[title^='hello ']”长度为:"+$("p[title^='hello ']").length);
15             console.log("选择器“p[title$='world']”长度为:"+$("p[title$='world']").length);
16             console.log("选择器“p[title*='html']”长度为:"+$("p[title*='html']").length);
17             console.log("选择器“p[title~='hello']”长度为:"+$("p[title~='hello']").length);
18             console.log("选择器“p[title|='hello']”长度为:"+$("p[title|='hello']").length);
19             console.log("选择器[href^='http'][title='hello-html-world']”长度为:"+$("[href^='http'][title='hello-html-world']").length);
20         }
21     );
22 </script>
23 </head>
24 <body>
25 <div>
26     <p align="center">hello world!</p>
27     <p align="">hello world!</p>
28 </div>
29 <div class="test" id="test" align="" style="background-color:#CCCCCC">
30     <p class="test" title="hello">hello world!</p>
31     <p class="test" title="hello html world">hello world!</p>
32     <p class="test1" title="hellohtmlworld">hello world!</p>
33     <p class="test1" title="hello-html-world">hello world!</p>
34     <a class="test1" title="hello-html-world" href="http://www.cnblogs.com/yw0219/p/5928955.html">JQuery选择器</a>
35 </div>
36 </body>
37 </html>


结果:

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