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JavaScript学习笔记8-jQuery内容过滤选择器、可见性过滤选择器深度解析

2015-09-13 20:06 1076 查看
内容过滤选择器






<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
 <head>
  <title> New Document </title>
  <meta name="Generator" content="EditPlus">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
 <link rel="stylesheet" type="text/css" href="style.css" /> 
<script type="text/javascript" src="jquery-1.4.4.js"></script>

  <script type="text/javascript">

  $(function()
  {
	$("#button1").click(function()
	{
		$("div:contains('test')").css("background", "red");
	});

    $("#button2").click(function()
	{
		$("div:empty").css("background", "green");
	});

	$("#button3").click(function()
	{
		$("div:has(.mini)").css("background", "blue");
	});

	$("#button4").click(function()
	{
		$("div:parent").css("background", "#abaaee");
	});

  });

  </script>
 </head>

 <body>

 <h3>内容过滤选择器.</h3>
 
<input type="button" value="test1" id="button1">
<input type="button" value="test2" id="button2">
<input type="button" value="test3" id="button3">
<input type="button" value="test4" id="button4">

   <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test</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" size="8"/>
  </div>
  
 </body>
</html>


可见性过滤选择器






<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
 <head>
  <title> New Document </title>
  <meta name="Generator" content="EditPlus">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">

<link rel="stylesheet" type="text/css" href="style.css" /> 
<script type="text/javascript" src="jquery-1.4.4.js"></script>

  <script type="text/javascript">

   $().ready(function()
   {
		$("#button1").click(function()
		{
			//alert($('div:hidden').length);
			//alert($('input:hidden').length);

			$('div:hidden').show(10000).css("background", "blue");
		});

		$("#button2").click(function()
		{
			$('div:visible').css("background", "red");
		});
   });

  </script>

 </head>

 <body>
  
 <h3>可见性过滤选择器.</h3>
 
<input type="button" value="test1" id="button1">
<input type="button" value="test2" id="button2">

<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test</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" size="8"/>
  </div>

 </body>
</html>
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