jQuery ??? ?? ???
??? ?? ???
:contains(content)
?? ??? ???? ???? ??? ?? ??? ??? ???? ??? ?? ????? ???
$("div:contains(beijing ) ”)
<div>linken love beijing</div>
<div>jack love shanghai</div>
:empty
? ?? ????(???) ?? ??? ? /text(?? ??) )?? ??
$("div:empty")
<div>linken love beijing</div>
<div>jack love shanghai</div>
<div> ;/div & gt; & lt; div & gt; & lt;/div & gt;
: Has(???)
??
$("div:has(#apple)")
<div>hello</div>< ??? ??? ??? ???? ???? ????. ;div><p></p></div>
:parent
?? ?? ??? ?? ?? ??? ???? ???.
$("div:parent")<div>linken love beijing</div>
<div>jack love shanghai</div>
<div></div> ;<div><img />< ;/div>
<div></div>
<!DOCTYPE html>
<html>
<head>
<title>php.cn</title>
<meta charset="utf-8" />
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
<script>
function f1(){
//① $(":contains(text)")
$("div:contains(beijing)").css('background-color','red');
//② $(":empty")
$("div:empty").css('width','200px');
$("div:empty").css('height','100px');
$("div:empty").css('background-color','pink');
//③ $(":has(selector)")
console.log($("div:has(.orange)"));
//④ $(":parent")
console.log($("div:parent"));
}
</script>
</head>
<body>
<h1>內(nèi)容過(guò)濾選擇器</h1>
<div>i love beijing</div>
<div>jack love shanghai</div>
<div></div>
<div><img /></div>
<div> </div>
<div><p class="orange"></p></div>
<div><span class="orange"></span></div>
<input type="button" value="觸發(fā)" onclick="f1()" />
</body>
</html> 
