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How to set element click event in javascript

藏色散人
藏色散人Original
2021-11-15 11:34:0310818browse

Javascript method to set element click event: 1. Create an HTML sample file; 2. Add script tag; 3. Get button element through getElementById; 4. Set element click event through "btn.onclick" method. Can.

How to set element click event in javascript

The operating environment of this article: windows7 system, javascript version 1.8.5, DELL G3 computer

How to set element click event in javascript?

It’s very simple, look at the code below:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        window.onload=function(){
            var btn = document.getElementById("btn");
            btn.onclick=function(){
            alert("这就是点击事件~");
        }
        }
       
    </script>
</head>
<body>
    <button id="btn">点击一下吧</button>
</body>
</html>

Recommended learning: "javascript basic tutorial"

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