<html>
<head>
<meta charset="utf-8">
<script type="text/javascript" src="./script/jquery-1.4.2.min.js"></script>
<style>
.a{
display:block;
}
.b{
display:none;
}
.c{
display:none;
}
.d{
display:none;
}
</style>
<script>
$(document).ready(function(){
$("span:contains('标签')").css("background","orange");
$("div:has(p)").css("background","green");
$("div:visible").css("background","blue");
$("div:hidden").show(2000);
$("div[class]").css("font-size","30px");
$("div[class=c]").css("background","pink");
});
</script>
</head>
<body>
<span>这是span标签</span>
<div><p>第一个div p</p></div>
<div class="a">第二个div</div>
<div class="b">第三个div</div>
<div class="c">第四个div</div>
<div class="d">第五个div</div>
</body>
<head>
<meta charset="utf-8">
<script type="text/javascript" src="./script/jquery-1.4.2.min.js"></script>
<style>
.a{
display:block;
}
.b{
display:none;
}
.c{
display:none;
}
.d{
display:none;
}
</style>
<script>
$(document).ready(function(){
$("span:contains('标签')").css("background","orange");
$("div:has(p)").css("background","green");
$("div:visible").css("background","blue");
$("div:hidden").show(2000);
$("div[class]").css("font-size","30px");
$("div[class=c]").css("background","pink");
});
</script>
</head>
<body>
<span>这是span标签</span>
<div><p>第一个div p</p></div>
<div class="a">第二个div</div>
<div class="b">第三个div</div>
<div class="c">第四个div</div>
<div class="d">第五个div</div>
</body>