How to make the background.js script run in a chrome extension? [duplicate]

Question

I'm new to creating chrome extensions and I just want to get all cookies from the sites that I visit. The issue is that when I load a site nothing happens. I get no errors and no logs for the cookies that I want to get. Can anyone help me understand what I'm doing wrong? Thanks!

manifest.json

{
    "manifest_version": 2,
    "name": "xxxxxxxx",
    "version": "0.8",
    "permissions": [
        "cookies",
        "tabs",
        "http://*/*",
        "https://*/*",
        "<all_urls>"
    ],
    "background": {
        "scripts": ["background.js"]
    }
}

background.js

function cookieInfo(){
    chrome.cookies.getAll({}, function (cookies){
        console.log(cookies)
    });
}

cookieInfo();

@Barmar I don't think so, honestly not sure where I'm going wrong here. — Michael
– Michael, Commented May 28, 2020 at 2:16
Then it sounds like your question is actually how to make the background script of a chrome extension run. The cookie stuff is irrelevant. — Barmar
– Barmar, Commented May 28, 2020 at 2:18
The background script needs to register a listener for an API event, otherwise it rarely makes sense to use a background script. Your current code will run only once when the extension runs on browser startup or after it was re-enabled or re-installed. In other words it doesn't do anything particularly useful. Depending on your preferred method of learning you may want to start with the documentation/tutorial or just inspect the official demo extensions. — woxxom
– woxxom, Commented May 28, 2020 at 6:50

sloreti · Accepted Answer · 2020-05-28 02:34:35Z

2

Background scripts do not log to a specific web page's console. Visit chrome://extensions/ and click on "Inspect views background page" for your extension.

answered May 28, 2020 at 2:34

sloreti

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2 Comments

Michael Over a year ago

Will the logs show in there?

sloreti Over a year ago

Yup, that is correct

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