jQuery ?? ?? ???() ???
??? ??? ???? find ? children ???? ???? ??? ??? ? ????. ???? ???? ??, ? ?? ??? ?? ??? ?? ??? ???? jQuery?? Nearest() ???? ?????. ? ???? ?? ??? ????? ?? ?? ???? ??????. () ???? ??? ??? ??? ???? ?????
?? ???? ???? DOM ??? ?? ??? ???? ???? ? ?? ?? ??? ?????
?: div ???? ???? ?? ?? li ??? ?? ??? ?? ??? ? ????
$("div").closet("li')
??: jQuery? ??? ????? ?? ??? ?? ???? ? ??? ???? ?? ?????.
closest() ???? jQuery ??? ?? ??? ????? ??? ???
????? jQuery? ??? ???? ??? ?? ??? ?? ?? ? ??? ??? ????? ? ? ???? jQuery ??? ???? ?? ?????
??: ??? ? ??? ?? ???? ??? ??? ?????. >? ? ? ? ? ? ? ? ? ? ? ? . ?? ??? ??? ?? ???? ???? ?? ??? ?? ???? ?????.
???????? ??? ??? ???? ?? ??? ???? ?????. ?? ?? ???? ?? ??? ??? ???? ???? ???? ??? ?? ??? ??? ?????. ?? ??? ?? ??? ???? ???? ??? ???? ?????.
??? ????. Nearest? 0 ?? 0? ???? jquery ??? ?????. ??? ??, ??? ??? 0? ??? ??? ???? jquery ??? ?????.
???? ?? ??? ???????
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<title></title>
<style>
.left {
width: auto;
height: 200px;
}
.left div {
width: 350px;
height: 150px;
padding: 5px;
margin: 5px;
float: left;
background: #bbffaa;
border: 1px solid #ccc;
}
span {
color: blue;
}
</style>
<script src="http://lib.sinaapp.com/js/jquery/1.9.1/jquery-1.9.1.min.js"></script>
</head>
<body>
<h2>closest方法()</h2>
<div class="left first-div">
<div class="div">
<ul class="level-2">
<li class="item-a">A</li>
<li class="item-b">B
<ul class="level-3">
<li class="item-1">1</li>
<li class="item-2">2</li>
<li class="item-3">3</li>
</ul>
</li>
<li class="item-c">C</li>
</ul>
</div>
</div>
<br/>
<button>點(diǎn)擊：closest傳遞選擇器 </button>
<button>點(diǎn)擊：closest傳遞一個元素對象</button>
<script type="text/javascript">
$("button:first").click(function() {
$('li.item-1').closest('.level-2').css('border', '1px solid red');
})
</script>
<script type="text/javascript">
$("button:last").click(function() {
var itemB = $('.item-b')
$('li.item-1')
.closest(itemB)
.css('border', '1px solid blue');
})
</script>
</body>
</html>
