超简单的Chrome扩展程序不会将addEventListener添加到按钮onclick事件

Lit*_*les 8 javascript addeventlistener google-chrome-extension

所以我正在测试创建一个chrome扩展.我理解,使用Manifest v2,你不能在popup.html中使用javascript.所以,我已经将javascript移动到一个单独的文件popup.js.

我试图在弹出窗口中设置一个简单的按钮来调用hello world警报,但它根本不起作用.

此外,Chrome的Inspect Element调试器不会显示任何错误.

popup.html

<html>
    <head>
        <title>Test</title>
        <script language='javascript' src='popup.js'></script>
    </head>
    <body>
        <form name='testForm'>
            <input type='button' id='alertButton' value='click me'>
        </form>
    </body>
</html>
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popup.js

function myAlert(){
    alert('hello world')
}

window.onload = function(){
    document.addEventListener('DOMContentLoaded', function () {
        document.getElementById('alertButton').addEventListener('onclick', myAlert);
    }); 
}
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的manifest.json

{
  "manifest_version": 2,
  "name": "Test",
  "description": "Test Extension",
  "version": "1.0",

  "icons": { 
    "48": "icon.png"
   },

  "permissions": [
    "http://*/*", 
    "https://*/*"
  ],

  "browser_action": {
    "default_title": "This is a test",
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  }
}
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有任何想法吗?

A. *_*das 17

只需删除window.onload:

function myAlert(){
    alert('hello world');
}

document.addEventListener('DOMContentLoaded', function () {
    document.getElementById('alertButton').addEventListener('click', myAlert);
});
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