JS Array Prototype Push - thelastmile/FreeCodeCamp GitHub Wiki

JavaScript Array.prototype.push()

The JavaScript array method .push() adds one or more new elements to the end of an array and returns the length of the newly expanded array.

Syntax

var array = [1, 2, 3, 4, 5];
array.push(6);

Parameters

.push accepts one or multiple parameters.

Returns

The length of the array is returned by .push()

Description

.push() 'pushes' new values onto the end (the right side) of an array.

Examples

Pushing a new element into an array

var array = [1, 2, 3, 4, 5];
var totalArrayElements = array.push(6);

console.log(array);
// Console will output 1, 2, 3, 4, 5, 6

console.log(totalArrayElements);
// Console will output 6

Source MDN