a snippet to perform delayed execution of a given function on each element of the array Raw

forEachDelayed.js

forEachDelayed = (arr, interval, f) => {
	arr.forEach((item, index) => {
		setTimeout(() => {
			f(item);
		}, index * interval);
	});
};

//  forEachDelayed(['a','b','c','d'], console.log, 1000)
//> a (immediately)
//> b (after 1 second)
//> c (after 2 seconds)
//> d (after 3 seconds)