add values of listjavascript code example

Example 1: js push array

var array = [];
var element = "anything you want in the array";
array.push(element); // array = [ "anything you want in the array" ]

Example 2: javascript append to array

arr = [1, 2, 3, 4]
arr.push(5) // adds element to end

arr.unshift(0) // adds element to beginning