Extension manifest must request permission to access this host

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I am trying to append a div to page of current active tab. However I am getting this error:

Error during tabs.executeScript: Cannot access contents of url ...


                      
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                  情书的邮戳        
                
              
                            
                2020-12-08 05:14
              
            
            
                                                                       
Code which worked

manifest.json

{
    "name": "Manifest Permissions",
    "description": "http://stackoverflow.com/questions/14361061/extension-manifest-must-request-permission-to-access-this-host",
    "version": "1",
    "manifest_version": 2,
    "browser_action": {
        "default_popup": "popup.html"
    },
    "permissions": [
        "tabs",
        "notifications",
        "http://*/",
        "https://*/"
    ]
}


popup.html

<html>

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

    <body>
        <button id="tmp-clipboard">Click Me</button>
    </body>

</html>


back.js

document.addEventListener("DOMContentLoaded", function () {
    document.getElementById('tmp-clipboard').onclick = function () {
        chrome.tabs.executeScript(null, {
            file: "script.js"
        });
    }
});


script.js

var dv = document.createElement('div');
dv.id = 'myid';
dv.innerHTML = 'test';
document.body.appendChild(dv);


Try Eliminating deprecated chrome.tabs.getSelected from your code and use chrome.tabs.query instead.

Sample Usage

chrome.tabs.query({
    "currentWindow": true,
    "status": true,
    "active": true //Add any parameters you want
}, function (tabs) {//It returns an array
    for (tab in tabs) {
        //Do your stuff here
    }
});


Edit 1

If you intention is to capture active browsing tab in current window where he clicked browser action use this code

chrome.tabs.query({
    "currentWindow": true,//Filters tabs in current window
    "status": "complete", //The Page is completely loaded
    "active": true // The tab or web page is browsed at this state,
    "windowType": "normal" // Filters normal web pages, eliminates g-talk notifications etc
}, function (tabs) {//It returns an array
    for (tab in tabs) {
        $('#url').val(tabs[tab].url); 
        $('#title').val(tabs[tab].title);
        $loader.hide(); 
    }
});

                                                                        
                                                        
            
            
              
                
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