`

jquery基础

jquery 
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>CSS实现隔行变色的表格</title>
<style>
<!--
.datalist{
	border:1px solid #007108;	/* 表格边框 */
	font-family:Arial;
	border-collapse:collapse;	/* 边框重叠 */
	background-color:#d9ffdc;	/* 表格背景色 */
	font-size:14px;
}
.datalist th{
	border:1px solid #007108;	/* 行名称边框 */
	background-color:#00a40c;	/* 行名称背景色 */
	color:#FFFFFF;				/* 行名称颜色 */
	font-weight:bold;
	padding-top:4px; padding-bottom:4px;
	padding-left:12px; padding-right:12px;
	text-align:center;
}
.datalist td{
	border:1px solid #007108;	/* 单元格边框 */
	text-align:left;
	padding-top:4px; padding-bottom:4px;
	padding-left:10px; padding-right:10px;
}
.datalist tr.altrow{
	background-color:#a5e5aa;	/* 隔行变色 */
}
-->
</style>
</head>
<body> 
<table class="datalist" summary="list of members in EE Studay" id="oTable">
	<tr>
		<th scope="col">Name</th>
		<th scope="col">Class</th>
		<th scope="col">Birthday</th>
		<th scope="col">Constellation</th>
		<th scope="col">Mobile</th>
	</tr>
	<tr>					<!-- 奇数行 -->
		<td>isaac</td>
		<td>W13</td>
		<td>Jun 24th</td>
		<td>Cancer</td>
		<td>1118159</td>
	</tr>
    <tr class="altrow">		<!-- 偶数行 -->
		<td>fresheggs</td>
		<td>W610</td>
		<td>Nov 5th</td>
		<td>Scorpio</td>
		<td>1038818</td>
	</tr>
	<tr>					<!-- 奇数行 -->
		<td>girlwing</td>
		<td>W210</td>
		<td>Sep 16th</td>
		<td>Virgo</td>
		<td>1307994</td>
	</tr>
	<tr class="altrow">		<!-- 偶数行 -->
		<td>tastestory</td>
		<td>W15</td>
		<td>Nov 29th</td>
		<td>Sagittarius</td>
		<td>1095245</td>
	</tr>
	<tr>					<!-- 奇数行 -->
		<td>lovehate</td>
		<td>W47</td>
		<td>Sep 5th</td>
		<td>Virgo</td>
		<td>6098017</td>
	</tr>
	<tr class="altrow">		<!-- 偶数行 -->
		<td>slepox</td>
		<td>W19</td>
		<td>Nov 18th</td>
		<td>Scorpio</td>
		<td>0658635</td>
	</tr>
	<tr>					<!-- 奇数行 -->
		<td>smartlau</td>
		<td>W19</td>
		<td>Dec 30th</td>
		<td>Capricorn</td>
		<td>0006621</td>
	</tr>
	<tr class="altrow">		<!-- 偶数行 -->
		<td>shenhuanyan</td>
		<td>W25</td>
		<td>Jan 31th</td>
		<td>Aquarius</td>
		<td>0621827</td>
	</tr>
	<tr>					<!-- 奇数行 -->
		<td>tuonene</td>
		<td>W210</td>
		<td>Nov 26th</td>
		<td>Sagittarius</td>
		<td>0091704</td>
	</tr>
	<tr class="altrow">		<!-- 偶数行 -->
		<td>ArthurRivers</td>
		<td>W91</td>
		<td>Feb 26th</td>
		<td>Pisces</td>
		<td>0468357</td>
	</tr>
	<tr>					<!-- 奇数行 -->
		<td>reconzansp</td>
		<td>W09</td>
		<td>Oct 13th</td>
		<td>Libra</td>
		<td>3643041</td>
	</tr>
	<tr class="altrow">		<!-- 偶数行 -->
		<td>linear</td>
		<td>W86</td>
		<td>Aug 18th</td>
		<td>Leo</td>
		<td>6398341</td>
	</tr>
	<tr>					<!-- 奇数行 -->
		<td>laopiao</td>
		<td>W41</td>
		<td>May 17th</td>
		<td>Taurus</td>
		<td>1254004</td>
	</tr>
	<tr class="altrow">		<!-- 偶数行 -->
		<td>dovecho</td>
		<td>W19</td>
		<td>Dec 9th</td>
		<td>Sagittarius</td>
		<td>1892013</td>
	</tr>
	<tr>					<!-- 奇数行 -->
		<td>shanghen</td>
		<td>W42</td>
		<td>May 24th</td>
		<td>Gemini</td>
		<td>1544254</td>
	</tr>
	<tr class="altrow">		<!-- 偶数行 -->
		<td>venessawj</td>
		<td>W45</td>
		<td>Apr 1st</td>
		<td>Aries</td>
		<td>1523753</td>
	</tr>
	<tr>					<!-- 奇数行 -->
		<td>lightyear</td>
		<td>W311</td>
		<td>Mar 23th</td>
		<td>Aries</td>
		<td>1002908</td>
	</tr>
</table>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>JavaScript实现隔行变色的表格</title>
<style>
<!--
.datalist{
	border:1px solid #007108;	/* 表格边框 */
	font-family:Arial;
	border-collapse:collapse;	/* 边框重叠 */
	background-color:#d9ffdc;	/* 表格背景色 */
	font-size:14px;
}
.datalist th{
	border:1px solid #007108;	/* 行名称边框 */
	background-color:#00a40c;	/* 行名称背景色 */
	color:#FFFFFF;				/* 行名称颜色 */
	font-weight:bold;
	padding-top:4px; padding-bottom:4px;
	padding-left:12px; padding-right:12px;
	text-align:center;
}
.datalist td{
	border:1px solid #007108;	/* 单元格边框 */
	text-align:left;
	padding-top:4px; padding-bottom:4px;
	padding-left:10px; padding-right:10px;
}
.datalist tr.altrow{
	background-color:#a5e5aa;	/* 隔行变色 */
}
-->
</style>
<script language="javascript">
window.onload = function(){
	var oTable = document.getElementById("oTable");
	for(var i=0;i<oTable.rows.length;i++){
		if(i%2==0)		//偶数行时
			oTable.rows[i].className = "altrow";
	}
}
</script>
</head>
<body> 
<table class="datalist" summary="list of members in EE Studay" id="oTable">
	<tr>
		<th scope="col">Name</th>
		<th scope="col">Class</th>
		<th scope="col">Birthday</th>
		<th scope="col">Constellation</th>
		<th scope="col">Mobile</th>
	</tr>
	<tr>
		<td>isaac</td>
		<td>W13</td>
		<td>Jun 24th</td>
		<td>Cancer</td>
		<td>1118159</td>
	</tr>
    <tr>
		<td>fresheggs</td>
		<td>W610</td>
		<td>Nov 5th</td>
		<td>Scorpio</td>
		<td>1038818</td>
	</tr>
	<tr>
		<td>girlwing</td>
		<td>W210</td>
		<td>Sep 16th</td>
		<td>Virgo</td>
		<td>1307994</td>
	</tr>
	<tr>
		<td>tastestory</td>
		<td>W15</td>
		<td>Nov 29th</td>
		<td>Sagittarius</td>
		<td>1095245</td>
	</tr>
	<tr>
		<td>lovehate</td>
		<td>W47</td>
		<td>Sep 5th</td>
		<td>Virgo</td>
		<td>6098017</td>
	</tr>
	<tr>
		<td>slepox</td>
		<td>W19</td>
		<td>Nov 18th</td>
		<td>Scorpio</td>
		<td>0658635</td>
	</tr>
	<tr>
		<td>smartlau</td>
		<td>W19</td>
		<td>Dec 30th</td>
		<td>Capricorn</td>
		<td>0006621</td>
	</tr>
	<tr>
		<td>shenhuanyan</td>
		<td>W25</td>
		<td>Jan 31th</td>
		<td>Aquarius</td>
		<td>0621827</td>
	</tr>
	<tr>
		<td>tuonene</td>
		<td>W210</td>
		<td>Nov 26th</td>
		<td>Sagittarius</td>
		<td>0091704</td>
	</tr>
	<tr>
		<td>ArthurRivers</td>
		<td>W91</td>
		<td>Feb 26th</td>
		<td>Pisces</td>
		<td>0468357</td>
	</tr>
	<tr>
		<td>reconzansp</td>
		<td>W09</td>
		<td>Oct 13th</td>
		<td>Libra</td>
		<td>3643041</td>
	</tr>
	<tr>
		<td>linear</td>
		<td>W86</td>
		<td>Aug 18th</td>
		<td>Leo</td>
		<td>6398341</td>
	</tr>
	<tr>
		<td>laopiao</td>
		<td>W41</td>
		<td>May 17th</td>
		<td>Taurus</td>
		<td>1254004</td>
	</tr>
	<tr>
		<td>dovecho</td>
		<td>W19</td>
		<td>Dec 9th</td>
		<td>Sagittarius</td>
		<td>1892013</td>
	</tr>
	<tr>
		<td>shanghen</td>
		<td>W42</td>
		<td>May 24th</td>
		<td>Gemini</td>
		<td>1544254</td>
	</tr>
	<tr>
		<td>venessawj</td>
		<td>W45</td>
		<td>Apr 1st</td>
		<td>Aries</td>
		<td>1523753</td>
	</tr>
	<tr>
		<td>lightyear</td>
		<td>W311</td>
		<td>Mar 23th</td>
		<td>Aries</td>
		<td>1002908</td>
	</tr>
</table>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>jQuery实现隔行变色的表格</title>
<style>
<!--
.datalist{
	border:1px solid #007108;	/* 表格边框 */
	font-family:Arial;
	border-collapse:collapse;	/* 边框重叠 */
	background-color:#d9ffdc;	/* 表格背景色 */
	font-size:14px;
}
.datalist th{
	border:1px solid #007108;	/* 行名称边框 */
	background-color:#00a40c;	/* 行名称背景色 */
	color:#FFFFFF;				/* 行名称颜色 */
	font-weight:bold;
	padding-top:4px; padding-bottom:4px;
	padding-left:12px; padding-right:12px;
	text-align:center;
}
.datalist td{
	border:1px solid #007108;	/* 单元格边框 */
	text-align:left;
	padding-top:4px; padding-bottom:4px;
	padding-left:10px; padding-right:10px;
}
.datalist tr.altrow{
	background-color:#a5e5aa;	/* 隔行变色 */
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
	$("table.datalist tr:nth-child(odd)").addClass("altrow");
});
</script>
</head>
<body> 
<table class="datalist" summary="list of members in EE Studay" id="oTable">
	<tr>
		<th scope="col">Name</th>
		<th scope="col">Class</th>
		<th scope="col">Birthday</th>
		<th scope="col">Constellation</th>
		<th scope="col">Mobile</th>
	</tr>
	<tr>
		<td>isaac</td>
		<td>W13</td>
		<td>Jun 24th</td>
		<td>Cancer</td>
		<td>1118159</td>
	</tr>
    <tr>
		<td>fresheggs</td>
		<td>W610</td>
		<td>Nov 5th</td>
		<td>Scorpio</td>
		<td>1038818</td>
	</tr>
	<tr>
		<td>girlwing</td>
		<td>W210</td>
		<td>Sep 16th</td>
		<td>Virgo</td>
		<td>1307994</td>
	</tr>
	<tr>
		<td>tastestory</td>
		<td>W15</td>
		<td>Nov 29th</td>
		<td>Sagittarius</td>
		<td>1095245</td>
	</tr>
	<tr>
		<td>lovehate</td>
		<td>W47</td>
		<td>Sep 5th</td>
		<td>Virgo</td>
		<td>6098017</td>
	</tr>
	<tr>
		<td>slepox</td>
		<td>W19</td>
		<td>Nov 18th</td>
		<td>Scorpio</td>
		<td>0658635</td>
	</tr>
	<tr>
		<td>smartlau</td>
		<td>W19</td>
		<td>Dec 30th</td>
		<td>Capricorn</td>
		<td>0006621</td>
	</tr>
	<tr>
		<td>shenhuanyan</td>
		<td>W25</td>
		<td>Jan 31th</td>
		<td>Aquarius</td>
		<td>0621827</td>
	</tr>
	<tr>
		<td>tuonene</td>
		<td>W210</td>
		<td>Nov 26th</td>
		<td>Sagittarius</td>
		<td>0091704</td>
	</tr>
	<tr>
		<td>ArthurRivers</td>
		<td>W91</td>
		<td>Feb 26th</td>
		<td>Pisces</td>
		<td>0468357</td>
	</tr>
	<tr>
		<td>reconzansp</td>
		<td>W09</td>
		<td>Oct 13th</td>
		<td>Libra</td>
		<td>3643041</td>
	</tr>
	<tr>
		<td>linear</td>
		<td>W86</td>
		<td>Aug 18th</td>
		<td>Leo</td>
		<td>6398341</td>
	</tr>
	<tr>
		<td>laopiao</td>
		<td>W41</td>
		<td>May 17th</td>
		<td>Taurus</td>
		<td>1254004</td>
	</tr>
	<tr>
		<td>dovecho</td>
		<td>W19</td>
		<td>Dec 9th</td>
		<td>Sagittarius</td>
		<td>1892013</td>
	</tr>
	<tr>
		<td>shanghen</td>
		<td>W42</td>
		<td>May 24th</td>
		<td>Gemini</td>
		<td>1544254</td>
	</tr>
	<tr>
		<td>venessawj</td>
		<td>W45</td>
		<td>Apr 1st</td>
		<td>Aries</td>
		<td>1523753</td>
	</tr>
	<tr>
		<td>lightyear</td>
		<td>W311</td>
		<td>Mar 23th</td>
		<td>Aries</td>
		<td>1002908</td>
	</tr>
</table>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>$选择器</title>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
window.onload = function(){
	var oElements = $("h2 a");		//选择匹配元素
	for(var i=0;i<oElements.length;i++)
		oElements[i].innerHTML = i.toString();	
}
</script>
</head>

<body>
<h2><a href="#">正文</a>内容</h2>
<h2>正文<a href="#">内容</a></h2>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>$.trim()</title>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
var sString = "  1234567890 ";
sString = $.trim(sString);
alert(sString.length);
</script>
</head>
<body>

</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>创建DOM元素</title>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){								//ready()函数
	var oNewP = $("<p>这是一个感人肺腑的故事</p>");		//创建DOM元素
	oNewP.insertAfter("#myTarget");		//insertAfter()方法
});
</script>
</head>
<body>
	<p id="myTarget">插入到这行文字之后</p>
	<p>也就是插入到这行文字之前，但这行没有id，也可能不存在</p>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>扩展jQuery</title>
<style>
<!--
form{
	border: 1px dotted #AAAAAA;
	padding: 1px 6px 1px 6px;
	margin:0px;
	font:14px Arial;
}
input{							/* 所有input标记 */
	color: #00008B;	
}
input.txt{						/* 文本框单独设置 */
	border: 1px inset #00008B;
	background-color: #ADD8E6;
}
input.btn{						/* 按钮单独设置 */
	color: #00008B;
	background-color: #ADD8E6;
	border: 1px outset #00008B;
	padding: 1px 2px 1px 2px;
}
select{
	width: 80px;
	color: #00008B;
	background-color: #ADD8E6;
	border: 1px solid #00008B;
}
textarea{
	width: 200px;
	height: 40px;
	color: #00008B;
	background-color: #ADD8E6;
	border: 1px inset #00008B;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$.fn.disable = function(){
	//扩展jQuery，表单元素统一disable
	return this.each(function(){
		if(typeof this.disabled != "undefined") this.disabled = true;
	});
}
$.fn.enable = function(){
	//扩展jQuery，表单元素统一enable
	return this.each(function(){
		if(typeof this.disabled != "undefined") this.disabled = false;
	});
}
function SwapInput(oName,oButton){
	if(oButton.value == "Disable"){
		//如果按钮的值为Disable，则调用disable()方法
		$("input[name="+oName+"]").disable();
		oButton.value = "Enable";	
	}else{
		//如果按钮的值为Eable，则调用enable()方法
		$("input[name="+oName+"]").enable();
		oButton.value = "Disable";	//然后设置按钮的值为Disable
	}
}
</script>
</head>
<body>
<form method="post" name="myForm1" action="addInfo.aspx">
<p><label for="name">请输入您的姓名:</label><br><input type="text" name="name" id="name" class="txt"></p>
<p><label for="passwd">请输入您的密码:</label><br><input type="password" name="passwd" id="passwd" class="txt"></p>
<p><label for="color">请选择你最喜欢的颜色:</label><br>
<select name="color" id="color">
	<option value="red">红</option>
	<option value="green">绿</option>
	<option value="blue">蓝</option>
	<option value="yellow">黄</option>
	<option value="cyan">青</option>
	<option value="purple">紫</option>
</select></p>
<p>请选择你的性别:<br>
	<input type="radio" name="sex" id="male" value="male"><label for="male">男</label><br>
	<input type="radio" name="sex" id="female" value="female"><label for="female">女</label></p>
<p>你喜欢做些什么:
	<input type="button" name="btnSwap" id="btnSwap" value="Disable" class="btn" onclick="SwapInput('hobby',this)"><br>
	<input type="checkbox" name="hobby" id="book" value="book"><label for="book">看书</label>
	<input type="checkbox" name="hobby" id="net" value="net"><label for="net">上网</label>
	<input type="checkbox" name="hobby" id="sleep" value="sleep"><label for="sleep">睡觉</label></p>
<p><label for="comments">我要留言:</label><br><textarea name="comments" id="comments" cols="30" rows="4"></textarea></p>
<p><input type="submit" name="btnSubmit" id="btnSubmit" value="Submit" class="btn">
<input type="reset" name="btnReset" id="btnReset" value="Reset" class="btn"></p>
</form>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>圆角矩形</title>
<style type="text/css">
<!--
div{
	width:200px;height:120px;
	border:2px solid #000000;
	background-color:#FFFF00;
	border-radius:20px;				/* CSS3中的圆角矩形 */
	-moz-border-radius:20px;		/* mozilla中的圆角矩形 */
	-webkit-border-radius:20px;		/* Safari 3中的圆角矩形 */
}
-->
</style>
</head>
<body>
<div></div>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>属性选择器</title>
<style type="text/css">
<!--
.myClass{
	/* 设定某个CSS类别 */
	background-color:#005890;
	color:#4eff00;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
	//先用CSS3的选择器，然后添加样式风格
	$("li:nth-child(2)").addClass("myClass");
});
</script>
</head>
<body>
<ul>
	<li>糖醋排骨</li>
	<li>圆笼粉蒸肉</li>
	<li>泡菜鱼</li>
	<li>板栗烧鸡</li>
	<li>麻婆豆腐</li>
</ul>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>属性选择器</title>
<style type="text/css">
<!--
a{
	text-decoration:none;
	color:#000000;
}
.myClass{
	/* 设定某个CSS类别 */
	background-color:#d0baba;
	color:#5f0000;
	text-decoration:underline;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
	$("ul li ul li:has(a)").addClass("myClass");
});
</script>
</head>
<body>
<ul>
	<li><a href="http://picasaweb.google.com/isaacshun">isaac photo</a>
		<ul>
			<li>10-6.html</li>
            <li><a href="10-7.html">10-7.html</a></li>
			<li><a href="10-8.html" title="圆角矩形">10-8.html</a></li>
			<li><a href="10-9.html">10-9.html</a></li>
            <li><a href="Pageisaac.html" title="制作中...">isaac</a></li>
		</ul>
	</li>
</ul>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>位置选择器</title>
<style type="text/css">
<!--
div{
	font-size:12px;
	border:1px solid #003a75;
	margin:5px;
}
p{
	margin:0px;
	padding:4px 10px 4px 10px;
}
.myClass{
	/* 设定某个CSS类别 */
	background-color:#c0ebff;
	text-decoration:underline;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
	$("p:lt(2)").addClass("myClass");
});
</script>
</head>
<body>
<div>
    <p>1. 大礼堂</p>
	<p>2. 清华学堂</p>
</div>
<div>
    <p>3. 图书馆</p>
</div>
<div>
	<p>4. 紫荆公寓</p>
	<p>5. C楼</p>
	<p>6. 清清地下</p>
</div>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>jQuery的过滤选择器</title>
<style type="text/css">
<!--
form{
	font-size:12px;
	margin:0px; padding:0px;
}
input.btn{
	border:1px solid #005079;
	color:#005079;
	font-family:Arial, Helvetica, sans-serif;
	font-size:12px;
}
.myClass{
	/* 设定某个CSS类别 */
	background-color:#FF0000;
	text-decoration:underline;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
function ShowChecked(oCheckBox){
	//使用:checked过滤出被用户选中的
	$("input[name="+oCheckBox+"]:checked").addClass("myClass");
}
</script>
</head>
<body>
<form name="myForm">
<input type="checkbox" name="sports" id="football"><label for="football">足球</label><br>
<input type="checkbox" name="sports" id="basketball"><label for="basketball">篮球</label><br>
<input type="checkbox" name="sports" id="volleyball"><label for="volleyball">排球</label><br>
<br><input type="button" value="Show Checked" onclick="ShowChecked('sports')" class="btn">
</form>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>反向过滤</title>
<style type="text/css">
<!--
form{
	font-size:12px;
	margin:0px; padding:0px;
}
p{
	padding:5px; margin:0px;
}
.myClass{
	background-color:#ffbff4;
	text-decoration:underline;
	border:1px solid #0000FF;
	font-family:Arial, Helvetica, sans-serif;
	font-size:12px;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
	//迭代使用选择器
	$(":input:not(:checkbox):not(:radio)").addClass("myClass");
});
</script>
</head>
<body>
<form method="post" name="myForm1" action="addInfo.aspx">
<p><label for="name">姓名:</label> <input type="text" name="name" id="name"></p>
<p><label for="passwd">密码:</label> <input type="password" name="passwd" id="passwd"></p>
<p><label for="color">最喜欢的颜色:</label>
<select name="color" id="color">
	<option value="red">红</option>
	<option value="green">绿</option>
	<option value="blue">蓝</option>
	<option value="yellow">黄</option>
	<option value="cyan">青</option>
	<option value="purple">紫</option>
</select></p>
<p>性别:
	<input type="radio" name="sex" id="male" value="male"><label for="male">男</label>
	<input type="radio" name="sex" id="female" value="female"><label for="female">女</label></p>
<p>你喜欢做些什么:<br>
	<input type="checkbox" name="hobby" id="book" value="book"><label for="book">看书</label>
	<input type="checkbox" name="hobby" id="net" value="net"><label for="net">上网</label>
	<input type="checkbox" name="hobby" id="sleep" value="sleep"><label for="sleep">睡觉</label></p>
<p><label for="comments">我要留言:</label><br><textarea name="comments" id="comments" cols="30" rows="4"></textarea></p>
<p><input type="submit" name="btnSubmit" id="btnSubmit" value="Submit">
<input type="reset" name="btnReset" id="btnReset" value="Reset"></p>
</form>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>size()方法</title>
<style type="text/css">
<!--
html{
	cursor:help; font-size:12px;
	font-family:Arial, Helvetica, sans-serif;
}
div{
	border:1px solid #003a75;
	background-color:#FFFF00;
	margin:5px; padding:20px;
	text-align:center;
	height:20px; width:20px;
	float:left;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
document.onclick = function(){
	var i = $("div").size()+1;	//获取div块的数目（此时还没有添加div块）
	$(document.body).append($("<div>"+i+"</div>"));	//添加一个div块
	$("span").html(i);			//修改显示的总数
}
</script>
</head>
<body>
页面中一共有<span>0</span>个div块。点击鼠标添加div：
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>get()方法</title>
<style type="text/css">
<!--
div{
	border:1px solid #003a75;
	color:#CC0066;
	margin:5px; padding:5px;
	font-size:12px;
	font-family:Arial, Helvetica, sans-serif;
	text-align:center;
	height:20px; width:20px;
	float:left;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
function disp(divs){
	for(var i=0;i<divs.length;i++)
		$(document.body).append($("<div style='background:"+divs[i].style.background+";'>"+divs[i].innerHTML+"</div>"));
}
$(function(){
	var aDiv = $("div").get();	//转化为div对象数组
    disp(aDiv.reverse());		//反序，传给处理函数
});
</script>
</head>
<body>
<div style="background:#FFFFFF">1</div>
<div style="background:#CCCCCC">2</div>
<div style="background:#999999">3</div>
<div style="background:#666666">4</div>
<div style="background:#333333">5</div>
<div style="background:#000000">6</div>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>index(element)方法</title>
<style type="text/css">
<!--
body{
	font-size:12px;
	font-family:Arial, Helvetica, sans-serif;
}
div{
	border:1px solid #003a75;
	background:#fcff9f;
	margin:5px; padding:5px;
	text-align:center;
	height:20px; width:20px;
	float:left;
	cursor:help;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
	//click()添加点击事件
	$("div").click(function(){
		//将块本身用this关键字传入，从而获取自身的序号
		var index = $("div").index(this);
		$("span").html(index.toString());
	});
});
</script>
</head>
<body>
<div>0</div><div>1</div><div>2</div><div>3</div><div>4</div><div>5</div>
点击的div块序号为：<span></span>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>not()方法</title>
<style type="text/css">
<!--
div{
	background:#fcff9f;
	margin:5px; padding:5px;
	height:40px; width:40px;
	float:left;
}
.green{ background:#66FF66; }
.gray{ background:#CCCCCC; }
#blueone{ background:#5555FF; }
.myClass{
	border:2px solid #000000;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
	$("div").not(".green, #blueone").addClass("myClass");
});
</script>
</head>
<body>
	<div></div>
	<div id="blueone"></div>
	<div></div>
	<div class="green"></div>
	<div class="green"></div>
	<div class="gray"></div>
	<div></div>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>filter()方法</title>
<style type="text/css">
<!--
div{
	margin:5px; padding:5px;
	height:40px; width:40px;
	float:left;
}
.myClass1{
	background:#fcff9f;
}
.myClass2{
	border:2px solid #000000;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
	$("div").addClass("myClass1").filter("[class*=middle]").addClass("myClass2");
});
</script>
</head>
<body>
	<div></div>
	<div class="middle"></div>
	<div class="middle"></div>
	<div class="middle"></div>
	<div class="middle"></div>
	<div></div>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>filter()方法</title>
<style type="text/css">
<!--
div{
	margin:5px; padding:5px;
	height:40px; width:40px;
	float:left;
}
.myClass1{
	background:#fcff9f;
}
.myClass2{
	border:2px solid #000000;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
	$("div").addClass("myClass1").filter(function(index){
		return index == 1 || $(this).attr("id") == "fourth";
	}).addClass("myClass2");
});
</script>
</head>
<body>
	<div id="first"></div>
	<div id="second"></div>
	<div id="third"></div>
	<div id="fourth"></div>
	<div id="fifth"></div>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>find()方法</title>
<style type="text/css">
<!--
.myClass{
	background:#ffde00;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
	$("p").find("span").addClass("myClass");
});
</script>
</head>
<body>
	<p><span>Hello</span>, how are you?</p>
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>end()方法</title>
<style type="text/css">
<!--
.myClass1{
	background:#ffde00;
}
.myClass2{
	border:1px solid #0000FF;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
	$("p").find("span").addClass("myClass1").end().addClass("myClass2");
});
</script>
</head>
<body>
	<p>Hello, <span>how</span> are you?</p>
    <span>very nice,</span> thank you.
</body>
</html>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>andSelf()方法</title>
<style type="text/css">
<!--
.myBackground{
	background:#ffde00;
}
.myBorder{
	border:2px solid #0000FF;
}
p{
	margin:8px; padding:4px;
	font-size:12px;
}
-->
</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
$(function(){
	$("div").find("p").addClass("myBackground").andSelf().addClass("myBorder");
});
</script>
</head>
<body>
<div>
	<p>第一段</p>
	<p>第二段</p>
</div>
</body>
</html>
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