Chrome 扩展:onclick() 事件未触发 alert() 弹出窗口

2022-01-15 00:00:00 google-chrome-extension event-handling javascript dom-events google-chrome-app

我无法通过 onclick() 事件触发 alert() 弹出窗口.

I am unable to trigger an alert() popup with an onclick() event.

{
    "name": "Project",
    "version": "1.0.0",
    "manifest_version": 2,
    "description": "Popup when website requires Log in",
    "browser_action":{
        "default_icon":"icon_19.png",
        "default_popup":"Popup.html"
        }
}

文件Popup.html

<html>
<head></head>

<body>
    <div class="plus" onclick="popup()"></div>
    <script src="inline.js"></script>
</body>
</html>

文件inline.js

function popup() {
    var link = document.URL;
    alert("This is the link: (" + link + ")");
}

推荐答案

不要在 Google Chrome 扩展程序中使用内联 JavaScript 代码.

Don't use inline JavaScript code in a Google Chrome extension.

HTML:

<div class="plus"></div>
<script src="inline.js"></script>

JavaScript:

JavaScript:

function popup(e) {
  var link = document.URL;
  alert("This is the link: (" + link + ")");
}

var plusBtn = document.querySelector('.plus');
plusBtn.addEventListener('click', popup);

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