支持事件是同步代码 #5

zhengwei1949 · 2017-05-17T19:37:24Z

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <input type="button" id="btn" name="" value="">
    <script>
        var oBtn = document.querySelector('#btn');
        oBtn.addEventListener('click',function(){
            console.log(111);
        },false);
        oBtn.click();
        console.log(222);
    </script>
</body>
</html>

打印结果是先打印111，再打印222

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

支持事件是同步代码 #5

支持事件是同步代码 #5

zhengwei1949 commented May 17, 2017

支持事件是同步代码 #5

支持事件是同步代码 #5

Comments

zhengwei1949 commented May 17, 2017