java add data to array code example

Example 1: javascript append to array

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

Example 2: javascript append element to array

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

Example 3: javscript append item from array

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

Example 4: how to add to an array

var ar = ['one', 'two', 'three'];
ar[3] = 'four'; // add new element to ar