创建 chrome 扩展后无法访问 popup.js 文件

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问题描述

manifest.json

{
  "name": "Summer",
  "version": "1.0",
  "manifest_version": 2,
  "description": "This is an addition extension",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  }
}

popup.html

<!doctype html>
<html>
  <head>
    <title>Getting Started Extension's Popup</title>

    <!-- JavaScript and HTML must be in separate files for security. -->
    <script src="popup.js"></script>
  </head>
  <body>
        <form name="form">
            <div id="sayi1">Sayı 1 :    <input type = "text" name="deger1"></div>
            <div id="sayi2">Sayı 2 :    <input type = "text" name="deger2"></div>
            <div id="sonuc">Sonuç :     <input type = "text" name="cevap"></div>
            <div id="button"><input type="button" value="Hesapla" onclick="hesaplama()" /></div>
        </form>
  </body>
</html>

popup.js

function hesaplama()
{
var sayi1 = window.document.form.deger1.value;
var sayi2 = window.document.form.deger2.value;
var toplam = parseFloat(sayi1) + parseFloat(sayi2) ;
window.document.form.cevap.value = toplam;
}

当我加载这个扩展时，我可以正常看到.但是当我填充 deger1 和 deger2 文本框并单击按钮时，功能不起作用，sonuc 文本框(结果文本框)中为空.我该如何解决?我是创建 chrome 扩展的新手.感谢您的帮助.

When i load this extension, i can see normally. But when i filled the deger1 and deger2 textbox and clicked the button, function is not working, in the sonuc textbox (result textbox) is null.How can i fix it? I am new at creating chrome extensions. Thanks for your help.

推荐答案

您的清单中有 manifest_version : 2，因此请阅读它引入的更改....
http://code.google.com/chrome/extensions/manifestVersion.html
您进入控制台 Refused to execute inline event handler because of Content-Security-Policy, 因为您的 html 中的 onclick 事件处理程序 (<input type="button" value="Hesapla" onclick="hesaplama()"/>).对于清单版本 2，这是不允许的，您需要从 js 代码中而不是在 html 中附加事件监听器.
这是您的代码的工作版本....
popup.html

You've got manifest_version : 2 in your manifest, so please go read about the changes it introduces....
http://code.google.com/chrome/extensions/manifestVersion.html
You got in the console Refused to execute inline event handler because of Content-Security-Policy, because of the onclick event handler in your html (<input type="button" value="Hesapla" onclick="hesaplama()" />). With manifest version 2 this isnt allowed, you need to attach the event listner from your js code and not in the html.
Here's a working version of your code....
popup.html

<!doctype html>
<html>
  <head>
    <title>Getting Started Extension's Popup</title>

    <!-- JavaScript and HTML must be in separate files for security. -->
    <script src="popup.js"></script>
  </head>
  <body>
        <form name="form">
            <div id="sayi1">Sayı 1 :    <input type = "text" name="deger1"></div>
            <div id="sayi2">Sayı 2 :    <input type = "text" name="deger2"></div>
            <div id="sonuc">Sonuç :     <input type = "text" name="cevap"></div>
            <div id="button"><input type="button" value="Hesapla" /></div>
        </form>
  </body>
</html>

popup.js

function hesaplama()
{
var sayı1 = window.document.form.deger1.value;
var sayı2 = window.document.form.deger2.value;
var toplam = (parseFloat(sayı1) + parseFloat(sayı2)) ;
window.document.form.cevap.value = toplam;
}
window.onload = function(){
    document.querySelector('input[value="Hesapla"]').onclick=hesaplama;
}

这篇关于创建 chrome 扩展后无法访问 popup.js 文件的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！