Get the current URL of the selected Chrome tab. Useful for Chrome/Chromium extensions.

currentChromeTab.js

/*
* Get the current URL of the selected Chrome tab. Call to getCurrent
* By Javier Santos
* https://gist.github.com/javiersantos/c3e9ae2adba72e898f99
*/

var currentURL;

chrome.tabs.query({'active': true, 'windowId': chrome.windows.WINDOW_ID_CURRENT}, 
function(tabs){
	getCurrentURL(tabs[0].url);
});

function getCurrentURL(tab){
	currentURL = tab;
}

Does not work in v3

async function getTabUrl() {
const tab = await chrome.tabs.query({
active: true,
lastFocusedWindow: true,
});
console.log(tab);
return tab[0].url;
}

getTabUrl().then(tab => console.log(tab));

// try this and remember to give the "permissions": ["tabs", "activeTab"] permission in manifest.json