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forisaja / reduceExamples.js

Created March 24, 2020 13:42 — forked from quangnd/reduceExamples.js

Some examples about reduce() in Javascript

	//Example 1 - Calculate average value of an array (transform array into a single number)
	var scores = [89, 76, 47, 95]
	var initialValue = 0
	var reducer = function (accumulator, item) {
	return accumulator + item
	}
	var total = scores.reduce(reducer, initialValue)
	var average = total / scores.length
	/*Explain about function