jQuery（2-1）基本选择器
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>基本选择器.html</title>
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<script type="text/javascript" src="../jquery-1.7.1.js"></script>
</head>
<style type="text/css">
div,span,p{
width: 170px;
height:170px;
margin: 5px;
background: #aaa;
border: #000 1px solid;
float: left;
font-family: cursive;
font-size: 17px;
}
div.mini{
width: 60px;
height:60px;
background-color:#aaa;
font-size: 12px;
}
div.hide{
display: none;
}
</style>
此处是css样式
<body>
<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one ,class为one 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 style="display: none;" class="none">
style的dispaly为none, class为none
</div>
<div class = "hide">class为hide</div>
<div>
包含input的type为“hidden”的div
<input type = "hidden" size = "8" >
</div>
<span id = "move" > 正在执行动画的span元素</span>
</body>
<script type="text/javascript">
/*$( function(){
$('#one').css('background','purple'); // #id 根据给定的ID匹配一个元素 返回 单个元素
});*/
/* $( function(){
$('.one').css('background','purple'); // .class 根据给定的类名 匹配一个元素 返回 集合元素
});*/
/* $( function(){
$('p').css('background','purple'); // element 根据给定的元素 名 匹配元素 返回 集合元素 此处没有p标签自己 写
});*/
/* $( function(){
$('span,#two').css('background','purple'); // selectol1 ,selectol2 ,selectol3 将每一个选择器 匹配到的元素 合并后一起返回 返回 集合元素
});
*/
$( function(){
$(':header').css('background','blue');
});
</script>
</html>