js: Automate slack message deletion

deleteSlack.js

/*Works on Slack Archive Page*/
function delNext(delay, cb){
	console.log("Starting delete");
	/*Click Delete*/
	document.querySelector('#batch_delete_link').click();
	setTimeout(function(){
		/*Click All*/
		document.querySelector('#batch_delete_div > p:nth-child(3) > a:nth-child(2)').click();
		setTimeout(function(){
			/*Click Delete*/
			document.querySelector('#batch_delete_button').click();
			setTimeout(function(){
				/*Click Yes*/
				document.querySelector('#generic_dialog > div.modal-footer > a.btn.dialog_go.btn_danger').click();
				cb();
			}, delay);
		}, delay);
	}, delay);
}


var manualAbort = false;
function poll(interval, cb){
	if(manualAbort) return;

	console.log("Poll");
	var popup = document.querySelector('#generic_dialog');

	if(popup === null) {
		console.log("Poll Complete");
		cb();
		return;
	}

	setTimeout(function(){
		poll(interval, cb);
	}, interval);
}


function delLoop(){
	delNext(500, function(){
		console.log("Deleting");
		poll(2000, function(){
			console.log("Done deleting");
		});
	});	
}

delLoop();