Get all the "last seen at.." on WhatsApp web.

CheckLastOnlineTimesWhatsAppWeb.js

let LastOnlineTime = "";
const AllLastOnlineTimes = [];


function CheckLastOnlineTime () {

	if (document.querySelector (".O90ur").innerText != "online") {

		if (LastOnlineTime !== document.querySelector (".O90ur").innerText) {

			AllLastOnlineTimes.push (document.querySelector (".O90ur").innerText);
			LastOnlineTime = document.querySelector (".O90ur").innerText;
		}
	}
}


const StopCheck = () => clearInterval (Clock);


let Clock = setInterval (() => CheckLastOnlineTime (), 1500);