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Demo-jQuery常用选择过滤器

2016-07-25 16:49 513 查看 
<!DOCTYPE html>
<html>
<head>
<title>test</title>
<script type="text/javascript" src="./jquery-1.7.2.min.js"></script>

<style type = "text/css">

div,span,p {

width: 140px;
background: #aaa;
height: 140px;
margin:5px;
border:#000 1px solid;
float:left;
font-size: 17px;
font-family: Verdana;

}

div.mini {

width: 55px;
height: 55px;
background: #aaa;
font-size: 12px;

}

div.hide {
display: none;
}

</style>

<script type="text/javascript">

$(function(){

$("#one").css(
"background", 'red'

);

$("div").css("background","green");

$("span,#two").css("background","yellow");

$("div div").css("background","black");

$("#one > .mini").css("background","white");

$("div:last").css("background","blue");//选取最后一个div

$("div:not(.mini)").css("background","red");//选取class不为mini的所有div

$("div:odd").css("background","blue");//选取所有奇数索引的div

$("div:eq(4)").css("background","red");//选取指定索引下的div

$("div:gt(2)").css("background","white");//选取大于指定div

$(":header").css("color","yellow");//选取所有h元素

$(":focus").css("background","black");

$("div:contains('one')").css("background","white");//获取包含‘one’内容的div

$("div:empty").css("background","red");//获取空div

$("div:has('.mini')").css("background","yellow");//获取div下minidiv

$(":hidden").show(5000);//获取所有隐藏的元素，并show出来

$(":animated").css("background","green");//改变执行动画的颜色
});

</script>
</head>
<body>

<h1>32</h1>

<div class="one" id="one">

class one id one
<div class="mini">div1_1</div>

</div>

<div class="one" id="two" title="test">

class one id two
<div class="mini" title="other">div2_1</div>
<div class="mini" title="test">div2_2</div>
</div>

<div class="one">

class one
<div class="mini">div3_1</div>
<div class="mini">div3_2</div>
<div class="mini">div3_3</div>
<div class="mini"></div>
</div>

<div class="one">

class one
<div class="mini">div4_1</div>
<div class="mini">div4_2</div>
<div class="mini">div4_3</div>
<div class="mini" title="tesst">title tesst</div>

</div>

<div style="display: none" class="none">

display为none的div
</div>

<div class="hide">class hide</div>

<div>
<input type="hidden" size="8"></input>
</div>

<span id="mover">
mover
</span>

</body>
</html>
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标签：  jQuery
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