Getting active tab and generating confirm window

Question

I'm trying to develop extension that gets active tab and generate confirm window at current open tab. But I cannot do this with "window.confirm" because window is not defined. Here's my code:

BACKGROUND.JS

var notifyTimer = setInterval(func,5*1000);
  console.log('setinterval ran');

  
  function func(){ 
  let ActiveTab = getCurrentTab();
  console.log(ActiveTab)

}

async function getCurrentTab() {
  let queryOptions = { active: true, lastFocusedWindow: true };
  let [tab] = await chrome.tabs.query(queryOptions);
  console.log(tab.url)
  //alert(" Hello!")
  // SOME CODE TO GENERATE CONFIRM WINDOW or ALERT
  return tab;
}

Currently it's fetching current active tab but I don't know how to generate confirm window

Kindly help me to generate alert with this code.

Answer 1

Is this what you want to do?

manifest.json

{
  "name": "hoge",
  "version": "1.0",
  "manifest_version": 3,
  "permissions": [
    "scripting"
  ],
  "host_permissions":[
    "<all_urls>"
  ],
  "background": {
    "service_worker": "background.js"
  }
}

background.js

var notifyTimer = setInterval(func, 5 * 1000);
console.log('setinterval ran');


function func() {
  let ActiveTab = getCurrentTab();
  console.log(ActiveTab)

}

const alert = () => {
  alert(" Hello!");
}

async function getCurrentTab() {
  let queryOptions = { active: true, lastFocusedWindow: true };
  let [tab] = await chrome.tabs.query(queryOptions);
  console.log(tab.url)
  //alert(" Hello!")
  // SOME CODE TO GENERATE CONFIRM WINDOW or ALERT
  chrome.scripting.executeScript({
    target: { tabId: tab.id },
    func: alert
  });

  return tab;
}