jQuery content filter selector

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><img /></div>

<div>

:has(selector)

The selector that contains the specified element inside $(“div:has(#apple)”)<div>hello</div>
<div><p></p></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>

<!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>

Continuing Learning

new file

<!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>

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jQuery content filter selector

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