add a variable to an array javascript code example

Example 1: js array add element

array.push(element)

Example 2: javascript append element to array

var colors= ["red","blue"];
	colors.push("yellow");

Example 3: how to push values in array

const animals = ['pigs', 'goats', 'sheep'];

const count = animals.push('cows');
console.log(count);
// expected output: 4
console.log(animals);
// expected output: Array ["pigs", "goats", "sheep", "cows"]

animals.push('chickens', 'cats', 'dogs');
console.log(animals);
// expected output: Array ["pigs", "goats", "sheep", "cows", "chickens", "cats", "dogs"]