JavaScript Array​.push() Method Example

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

Syntax

arr.push(element1[, ...[, elementN]])

elementN - The elements to add to the end of the array.

Example 1: Simple Array.push() method example

var animals = ['pigs', 'goats', 'sheep'];
console.log(animals.push('cows'));
console.log(animals);
animals.push('chickens');
console.log(animals);

Output:

4
["pigs", "goats", "sheep", "cows"]
["pigs", "goats", "sheep", "cows", "chickens"]

Example 2: Adding elements to an array

var sports = ['soccer', 'baseball'];
var total = sports.push('football', 'swimming');

console.log(sports);
console.log(total); 

Output:

["soccer", "baseball", "football", "swimming"]
4