add a number to a new array javascript code example

Example 1: how to add a new item in an array in javascript

let array = ["Chicago", "Los Angeles", "Calgary", "Seattle", ]
  // print the array 
console.log(array)
  //Adding a new item in an array without touching the actual array     
array.push('New Item') < variable_name > .push( < What you want to add > )
  //How many items does the array have?
console.log("This array has", array.length, "things in it")

Example 2: how to append an element to an array in javascript

//Use push() method
//Syntax: 
array_name.push(element);
//Example: 
let fruits = ["Mango", "Apple"];
//We want to append "Orange" to the array so we will use push() method
fruits.push("Orange"); 
//There we go, we have successfully appended "Orange" to fruits array!