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Editorial Team
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Asked: 2026-06-18T19:46:07+00:00

I tried to get the domain name using alert(document.domain); But i’m not getting the

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I tried to get the domain name using alert(document.domain); But i’m not getting the right domain when I test it out in a site,

I get “hiecjmnbaldlmopbbkifcelmaaalcfib” this weird output.

I have added this in the manifest too

  "content_scripts": [
        {
        "js": ["inject.js"]

        }
  ],

alert(document.domain); is the only line of text inside inject.js.

And I’ve incorporated this <script type="text/javascript" src="inject.js">
</script> into the main html file after popup.js

Any thoughts on why I’m not getting the correct domain url?

Thanks!

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1 Answer

  1. Editorial Team

    If you are in popup or background or options page, there is an indirect approach for obtaining domain of page.

    You can refer to following code as a reference.

    Demonstration

    manifest.json

    Registered content scripts, background and popup scripts with manifest file along with relevant permissions

    {
    "name": "Domain Name",
    "description": "http://stackoverflow.com/questions/14796722/javascript-google-chrome-extension-getting-domain-name",
    "version": "1",
    "manifest_version": 2,
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "myscript.js"
            ]
        }
    ],
    "browser_action": {
        "default_popup": "popup.html"
    },
    "background": {
        "scripts": [
            "background.js"
        ]
    },
    "permissions": [
        "tabs",
        "<all_urls>"
    ]
}

    myscript.js

    console.log(document.domain);// Outputs present active URL of tab

    popup.html

    Registered popup.js to surpass CSP.

    <html>

    <head>
        <script src="popup.js"></script>
    </head>

    <body></body>

</html>

    popup.js

    Added Event Listener for DOM Content Loaded, and brought active URL of tab where user is on.

    document.addEventListener("DOMContentLoaded", function () {
    console.log(document.domain);//It outputs id of extension to console
    chrome.tabs.query({ //This method output active URL 
        "active": true,
        "currentWindow": true,
        "status": "complete",
        "windowType": "normal"
    }, function (tabs) {
        for (tab in tabs) {
            console.log(tabs[tab].url);
        }
    });
});

    background.js

    console.log(document.domain); //It outputs id of extension to console
chrome.tabs.query({ //This method output active URL 
    "active": true,
    "currentWindow": true,
    "status": "complete",
    "windowType": "normal"
}, function (tabs) {
    for (tab in tabs) {
        console.log(tabs[tab].url);
    }
});

    Output

    You will find

    fgbhocadghoeonlokakijhnlplgkolbg

    as output for console.log(document.domain); in all extension pages and

    and

    http://somedomain.com/

    for tabs.query() output.

    However, Content script output is always

    http://somedomain.com/

    References

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