<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<title></title>
<link rel="stylesheet" href="imooc.css" type="text/css">
<script src="http://www.xianlaiwan.cn/static/lib/jquery/1.9.1/jquery.js"></script>
</head>
<body>
<h2>基本篩選器</h2>
<h3>:first/:last/:even/:odd</h3>
<div class="left">
<div class="div">
<p>div:first</p>
<p>:even</p>
</div>
<div class="div">
<p>:odd</p>
</div>
<div class="div">
<p>:even</p>
</div>
<div class="div">
<p>:odd</p>
</div>
<div class="div">
<p>:even</p>
</div>
<div class="div">
<p>div:last</p>
<p>:odd</p>
</div>
</div>
<script type="text/javascript">
//找到第一個div
?.css("color", "#CD00CD");
</script>
<script type="text/javascript">
//找到最后一個div
?.css("color", "#CD00CD");
</script>
<script type="text/javascript">
//:even 選擇所引值為偶數的元素，從 0 開始計數
?.css("border", "3px groove red");
</script>
<script type="text/javascript">
//:odd 選擇所引值為奇數的元素，從 0 開始計數
?.css("border", "3px groove blue");
</script>
<h3>:eq/:gt/:lt</h3>
<div class="left">
<div class="aaron">
<p>:lt(3)</p>
</div>
<div class="aaron">
<p>:lt(3)</p>
</div>
<div class="aaron">
<p>:eq(2)</p>
</div>
<div class="aaron">
</div>
<div class="aaron">
<p>:gt(3)</p>
</div>
<div class="aaron">
<p>:gt(3)</p>
</div>
</div>
<script type="text/javascript">
//:eq
//選擇單個
?.css("border", "3px groove blue");
</script>
<script type="text/javascript">
//:gt 選擇匹配集合中所有索引值大于給定index參數的元素
?.css("border", "3px groove blue");
</script>
<script type="text/javascript">
//:lt 選擇匹配集合中所有索引值小于給定index參數的元素
//與:gt相反
?.css("color", "#CD00CD");
</script>
<h3>:not</h3>
<div class="left">
<div>
<input type="checkbox" name="a" />
<p>Aaron</p>
</div>
<div>
<input type="checkbox" name="b" />
<p>慕課</p>
</div>
<div>
<input type="checkbox" name="c" checked="checked" />
<p>其他</p>
</div>
</div>
<script type="text/javascript">
//:not 選擇所有元素去除不匹配給定的選擇器的元素
//選中所有緊接著沒有checked屬性的input元素后的p元素，賦予顏色
?.css("background-color", "#CD00CD");
</script>
</body>
</html>
.left {
width: auto;
height: 120px;
}
.left div {
width: 70px;
height: 70px;
padding: 5px;
margin: 5px;
float: left;
background: #bbffaa;
border: 1px solid #ccc;
}
.bottom {
width: 800px;
}
.bottom div,
.bottom span {
display: block;
width: 80px;
height: 80px;
margin: 5px;
background: #bbffaa;
float: left;
font-size: 14px;
}
.bottom .small {
width: 60px;
height: 25px;
font-size: 12px;
background: #fab;
}
