jquery基础属性

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>ddd</title>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
		<script language="JavaScript" src="../js/jquery-1.4.2.js"></script>
	<style type="text/css">
		 	div,span{
			    width: 140px;
			    height: 140px;
			    margin: 20px;
			    background: #9999CC;
			    border: #000 1px solid;
				float:left;
			    font-size: 17px;
			    font-family:Roman;
			}
			
			div.mini{
			    width: 30px;
			    height: 30px;
			    background: #CC66FF;
			    border: #000 1px solid;
			    font-size: 12px;
			    font-family:Roman;
			}
			
			div.visible{
				display:none;
			}
	 </style>
	 <!--引入jquery的js库-->
    
	</head>
	 
	<body>
		
		 <ul id="city">
		 	 <li id="bj" name="beijing">北京</li>
		 </ul>
		
	</body>
<script language="JavaScript">
	//在city下增加<li id="tj" name="tianjin">天津</li>节点
	
	  var $liEle = $("<li></li>");
	  $liEle.attr("id","tj");
	  $liEle.attr("name","tianjing");
	  $liEle.text("天津");
	  $("#city").append($liEle);
	 
</script>
   
</html>



 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>ddd</title>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
		<script language="JavaScript" src="../js/jquery-1.4.2.js"></script>
	<style type="text/css">
		   .one{
			    width: 200px;
			    height: 140px;
			    margin: 40px;
			    background: red;
			    border: #000 1px solid;
				float:left;
			    font-size: 17px;
			    font-family:Roman;
			}
		
		 	div,span{
			    width: 140px;
			    height: 140px;
			    margin: 20px;
			    background: #9999CC;
			    border: #000 1px solid;
				float:left;
			    font-size: 17px;
			    font-family:Roman;
			}
			
			div.mini{
			    width: 30px;
			    height: 30px;
			    background: #CC66FF;
			    border: #000 1px solid;
			    font-size: 12px;
			    font-family:Roman;
			}
	 </style>
	 <!--引入jquery的js库-->
    
	</head>
	 
	<body>
				
		 <input type="button" value="保存"  class="mini" name="ok"  class="mini" />
		 <input type="button" value="采用属性增加样式"  id="b1"/>
		 <input type="button" value=" addClass"  id="b2"/>
		 <input type="button" value="removeClass"  id="b3"/>
		 <input type="button" value=" 切换样式"  id="b4"/>
		 <input type="button" value=" hasClass"  id="b5"/>
		
 
		 <h1>天气冷了</h1>
		 <h2>天气又冷了</h2>
		 
	     <div id="one">
	    	 id为one    ***********
		     
		 </div>
		
		 <div id="two" class="mini" >
	    	   id为two   class是 mini 
		       <div  class="mini" >class是 mini</div>
		</div>
		
		 <div>
		 	    class是 one 
		       <div  class="mini" >class是 mini</div>
			   <div  class="mini" >class是 mini</div>
		 </div>
		 <div class="one" >
		 	  class是 one 
		       <div  class="mini01" >class是 mini01</div>
			   <div  class="mini" >class是 mini</div>
		</div>
		
		<br>
		<div id="mover" >
		 	  动画
		</div>
		<br>
		<span class="spanone">    span
		</span>
		
	</body>
<script language="JavaScript">
//<input type="button" value="采用属性增加样式"  id="b1"/>
$("#b1").click(function(){
	$("#one").attr("class","one");
});

//<input type="button" value=" addClass"  id="b2"/>
$("#b2").click(function(){
	$("#one").addClass('one');
});

//<input type="button" value="removeClass"  id="b3"/>
$("#b3").click(function(){
	$("#one").removeClass('one');
});

//<input type="button" value=" 切换样式"  id="b4"/>
$("#b4").click(function(){
	$("#one").toggleClass("one");
});


//<input type="button" value=" hasClass"  id="b5"/>
$("#b5").click(function(){
	/**
	 * 判断是否有class这个属性
	 */
		alert($("#one").hasClass("one"));
});
</script>
   
</html>



 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>ddd</title>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
		<script language="JavaScript" src="../js/jquery-1.4.2.js"></script>
	<style type="text/css">
		 	div,span{
			    width: 140px;
			    height: 140px;
			    margin: 20px;
			    background: #9999CC;
			    border: #000 1px solid;
				float:left;
			    font-size: 17px;
			    font-family:Roman;
			}
			
			div.mini{
			    width: 30px;
			    height: 30px;
			    background: #CC66FF;
			    border: #000 1px solid;
			    font-size: 12px;
			    font-family:Roman;
			}
			
			div.visible{
				display:none;
			}
	 </style>
	 <!--引入jquery的js库-->
	</head>
	<body>
		<button>保存</button>	<br>	<br>	<br>	
	    <p>段落</p>
	</body>
    <script language="JavaScript">
         //button增加事件
		 $("button").click(function(){
		 	alert("按钮事件");
		 });
		
	
	    //克隆button 追加到p上 ,但事件不克隆
	     
//	   $("button").clone().appendTo("p");
	   
	    //克隆button 追加到p上 ,但事件也克隆
	    $("button").clone(true).appendTo("p");
	
	
    </script>
   
</html>



 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>ddd</title>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
	<script language="JavaScript" src="../js/jquery-1.4.2.js"></script>
	<style type="text/css">
		 	div,span{
			    width: 140px;
			    height: 140px;
			    margin: 20px;
			    background: #9999CC;
			    border: #000 1px solid;
				float:left;
			    font-size: 17px;
			    font-family:Roman;
			}
			
			div.mini{
			    width: 30px;
			    height: 30px;
			    background: #CC66FF;
			    border: #000 1px solid;
			    font-size: 12px;
			    font-family:Roman;
			}
			
			div.visible{
				display:none;
			}
	 </style>
	 <!--引入jquery的js库-->    
	</head>
	 
	<body>
		 <ul id="city">
		 	 <li id="bj" name="beijing">北京</li>
			 <li id="tj" name="tianjin">天津</li>
			 <li id="cq" name="chongqing">重庆</li>
		 </ul>
		 
		 
		  <ul id="love">
		 	 <li id="fk" name="fankong">反恐</li>
			 <li id="xj" name="xingji">星际</li>
		 </ul>
		
		<div id="foo1">Hello1</div> 
       
	</body>
<script language="JavaScript">
//append(content) :向每个匹配的元素的内部的结尾处追加内容
//	  $("#city").append($("#fk"));
  $("#city").append("<li>))))</li>");
//appendTo(content) :将每个匹配的元素追加到指定的元素中的内部结尾处
  

//prepend(content):向每个匹配的元素的内部的开始处插入内容
 
 $("#city").prepend("<li>前面插入</li>");
//prependTo(content) :将每个匹配的元素插入到指定的元素内部的开始处
	$("#xj").prependTo($("#city"));
	 
</script>
   
</html>



 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>ddd</title>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
	<script language="JavaScript" src="../js/jquery-1.4.2.js"></script>
	<style type="text/css">
		 	div,span{
			    width: 140px;
			    height: 140px;
			    margin: 20px;
			    background: #9999CC;
			    border: #000 1px solid;
				float:left;
			    font-size: 17px;
			    font-family:Roman;
			}
			
			div.mini{
			    width: 30px;
			    height: 30px;
			    background: #CC66FF;
			    border: #000 1px solid;
			    font-size: 12px;
			    font-family:Roman;
			}
			
			div.visible{
				display:none;
			}
	 </style>
	 <!--引入jquery的js库-->    
	</head>
	 
	<body>
		 <ul id="city">
		 	 <li id="bj" name="beijing">北京</li>
			 <li id="tj" name="tianjin">天津</li>
			 <li id="cq" name="chongqing">重庆</li>
		 </ul>
		
		 <p  id="p3">I would like to say: p3</p>
		 
		 <p  id="p2">I would like to say: p2</p>
		
		 <p  id="p1">I would like to say: p1</p>
       
	</body>
<script language="JavaScript">
//*  after(content) :在每个匹配的元素之后插入内容
//    $("#city").after($("#p1"));

//*  before(content):在每个匹配的元素之前插入内容 
     
//	$("#cq").before($("#p1"));
//*  insertAfter(content):把所有匹配的元素插入到另一个、指定的元素元素集合的后面 
     $("#p1").insertAfter($("#city"));
   
//*  insertBefore(content) :把所有匹配的元素插入到另一个、指定的元素元素集合的前面
    $("#p1").insertBefore($("#city"));
   
 

</script>
   
</html>



 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>ddd</title>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
	<script language="JavaScript" src="../js/jquery-1.4.2.js"></script>
	<style type="text/css">
		 	div,span{
			    width: 140px;
			    height: 140px;
			    margin: 20px;
			    background: #9999CC;
			    border: #000 1px solid;
				float:left;
			    font-size: 17px;
			    font-family:Roman;
			}
			
			div.mini{
			    width: 30px;
			    height: 30px;
			    background: #CC66FF;
			    border: #000 1px solid;
			    font-size: 12px;
			    font-family:Roman;
			}
			
			div.visible{
				display:none;
			}
	 </style>
	 <!--引入jquery的js库-->
    
	</head>
	 
	<body>
		 <ul id="city">
		 	 <li id="bj" name="beijing">北京</li>
			 <li id="tj" name="tianjin">天津</li>
			 <li id="cq" name="chongqing">重庆</li>
		 </ul>
		<p class="hello">Hello</p> how are <p>you?</p> 
	</body>
<script language="JavaScript">

   //删除<li id="bj" name="beijing">北京</li>
	$("#bj").remove();

   //删除所有的子节点   清空元素中的所有后代节点(不包含属性节点).
   $("#city").empty();
  
   //测试

	alert($("#bj").value);

</script>
   
</html>



 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>ddd</title>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
	<script language="JavaScript" src="../js/jquery-1.4.2.js"></script>
	<style type="text/css">
		 	div,span{
			    width: 140px;
			    height: 140px;
			    margin: 20px;
			    background: #9999CC;
			    border: #000 1px solid;
				float:left;
			    font-size: 17px;
			    font-family:Roman;
			}
			
			div.mini{
			    width: 30px;
			    height: 30px;
			    background: #CC66FF;
			    border: #000 1px solid;
			    font-size: 12px;
			    font-family:Roman;
			}
			
			div.visible{
				display:none;
			}
	 </style>
	 <!--引入jquery的js库-->
	</head>
	<body>
		<button>保存</button>	<br>	<br>	<br>	
	    <p>段落</p>
		<p>段落</p>
		<p>段落</p>
	
	</body>
<script language="JavaScript">
	
	    //$("button")用 <p>tttttttt</P>替换
         //$("p").replaceWith("<button>保存</button>");	
	
	    // p 用  <button>保存</button>  替换
		$("<button>保存</button>").replaceAll($("p"));
	
</script>
   
</html>



 

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