append to an array in javascript code example

Example 1: javascript append to array

var colors=["red","white"];
colors.push("blue");//append 'blue' to colors

Example 2: append array js

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

Example 3: javscript append item from array

let foo = ['oop','plop','copo'];
	foo.push("plop");

Example 4: js add array items to array

var arrayA = [1, 2];
var arrayB = [3, 4];
var newArray = arrayA.concat(arrayB);