how to append a list in javascript code example

Example 1: javascript append to array

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

Example 2: javscript append item from array

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

Example 3: javascript add item to list

var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.push("Kiwi");

Example 4: how to add list in javascript

list=["elements"]#add elements by seperating with comma