jQuery 객체가 dom 객체를 캡슐화하는 방법

dom 객체는 jquery 객체의 배열 구성요소입니다

<!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(){
            //jquery对象 转化为 dom对象 进而调用dom的成员
            $('#apple')[0].style.backgroundColor = "blue";
            $('li')[1].style.backgroundColor = "brown";
        }
        </script>
        <style type="text/css">
        div {width:300px;height:200px; background-color:pink;}
        </style>
    </head>
    <body>
        <div id="apple"></div>
        <ul>
            <li>北京</li>
            <li>上海</li>
            <li>深圳</li>
        </ul>
        <input type="button" value="触发1" onclick="f1()" />
    </body>
</html>

지속적인 학습

새로운 파일

<!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(){ //jquery对象转化为 dom对象进而调用dom的成员 $('#apple')[0].style.backgroundColor = "blue"; $('li')[1].style.backgroundColor = "brown"; } </script> <style type="text/css"> div {width:300px;height:200px; background-color:pink;} </style> </head> <body> <div id="apple"></div> <ul> <li>北京</li> <li>上海</li> <li>深圳</li> </ul> <input type="button" value="触发1" onclick="f1()" /> </body> </html>

제출하다 코드 재설정

자동운전