Content filter selector
:contains(content)
Contains content selector, the inside of the obtained node must contain the specified content through the tag
$("div:contains(beijing)")
<div>linken love beijing</div>
<div>jack love shanghai</div>
:empty
Get the empty element (no element/text (empty) inside) node object
$("div:empty")
<div>linken love beijing</div>
<div>jack love shanghai</div>
<div></div>
< ;div><img /></div>
<div>
:has(selector)
The selector that contains the specified element inside $(“div:has(#apple)”)<div>hello</div>
<div><p></p></div>
<div> ;<span id=”apple”></span></div>
<div><span class=”apple”></span>< ;/div>
:parent
looking for The node must exist as a parent element node$("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>内容过滤选择器</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="触发" onclick="f1()" />
</body>
</html>Next Section