JavaScript to Delete all (most) Facebook Activity as of 20201103

delete-activity.js

// 1. Navigate to your Activity Log
// 2. Paste this into the JavaScript Console
function clickDelete() {
	document.querySelectorAll('[aria-label="Move to Trash"]')[0].click()
}

function clickMenu() {
	document.querySelectorAll('[role="menuitem"]')[2].click();
	setTimeout(clickDelete, 250);
}

function showMenu() {
	document.querySelectorAll('[aria-label="Action options"]')[0].click();
	setTimeout(clickMenu, 250);
}

var t = setInterval(showMenu, 750);

// To end it, run:
//
// clearInterval(t)
//

delete-page-posts.js

function clickDelete() {
	document.querySelectorAll('[role="button"] div div span span').forEach(function (e) { if (e.innerText == "Delete") e.click(); });
}

function clickMenu() {
	document.querySelectorAll('[role="menuitem"]')[2].click();
	setTimeout(clickDelete, 500);
}

function showMenu() {
	document.querySelectorAll('[aria-label="Actions for this post"]')[0].click()
	setTimeout(clickMenu, 500);
}

var t = setInterval(showMenu, 1100);