Array.prototype.forEach()

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This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

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The forEach() method of Array instances executes a provided function once for each array element.

Try it

const array = ["a", "b", "c"];

array.forEach((element) => console.log(element));

// Expected output: "a"
// Expected output: "b"
// Expected output: "c"

Syntax

forEach(callbackFn)
forEach(callbackFn, thisArg)

Parameters

callbackFn

A function to execute for each element in the array. Its return value is discarded. The function is called with the following arguments:

element: The current element being processed in the array.
index: The index of the current element being processed in the array.
array: The array forEach() was called upon.

thisArg Optional

A value to use as this when executing callbackFn. See iterative methods.