rehasantiago/map.js

Last active November 28, 2021 10:24

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http://readosapien.com/polyfills-of-array-functions-asked-in-interviews

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map.js

	const arr = [1,2,3,4];
	const newArr = arr.map(elem => {
	return elem * 2
	});
	console.log(newArr);
	// [2, 4, 6, 8]

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