The jQuery object and the dom object call each other's members

Method to obtain the object:

##jquery object: $('li') $('.apple' ) The information returned by the selector is the jquery object
dom object: document.getElementById()

##jquery object and dom object call each other’s members

<!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(){
            //$('div').css('background-color','lightgreen');
            //dom对象 调用 jquery对象的成员【失败】
            //document.getElementsByTagName('div')[0].css('background-color','blue');
            //成功
            $(document.getElementsByTagName('div')[0]).css('background-color','blue');
        }
        function f2(){
            //document.getElementsByTagName('div')[0].style.width="400px";
            //jquery对象 调用 dom对象的成员【失败】
            //$('div').style.height = "300px";
            //成功
            $('div')[0].style.height = "300px";
        }
        </script>
        <style type="text/css">
        div {width:300px;height:200px; background-color:pink;}
        </style>
    </head>
    <body>
        <div></div>
        <input type="button" value="触发1" onclick="f1()" />
        <input type="button" value="触发2" onclick="f2()" />
    </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(){ //$('div').css('background-color','lightgreen'); //dom对象调用 jquery对象的成员【失败】 //document.getElementsByTagName('div')[0].css('background-color','blue'); //成功 $(document.getElementsByTagName('div')[0]).css('background-color','blue'); } function f2(){ //document.getElementsByTagName('div')[0].style.width="400px"; //jquery对象调用 dom对象的成员【失败】 //$('div').style.height = "300px"; //成功 $('div')[0].style.height = "300px"; } </script> <style type="text/css"> div {width:300px;height:200px; background-color:pink;} </style> </head> <body> <div></div> <input type="button" value="触发1" onclick="f1()" /> <input type="button" value="触发2" onclick="f2()" /> </body> </html>

submit Reset Code

Automatic operation

The jQuery object and the dom object call each other's members

ElementaryImperial CMS enterprise imitation website tutorial

ElementaryNewbies with zero foundation in WordPress build personal blogs and corporate websites

ElementaryUltimate CMS zero-based website building instruction video

ElementaryFront-end project-Shangyou [HTML/CSS/JS technology comprehensive practice]

IntermediateVue3.0 from 0 to build a universal backend management system project practice

ElementaryZero-based front-end course [Vue advanced learning and practical application]

ElementaryWEB front-end tutorial [HTML5+CSS3+JS]

ElementaryQuick introduction to apipost

IntermediateVue3+TypeScript practical tutorial-enterprise-level project practice

ElementaryLet's briefly talk about starting a business in PHP

IntermediateVUE e-commerce project (front-end & back-end dual project actual combat)

ElementaryApipost practical application [api, interface, automated testing, mock]