How to use array in javascript

The array is usually used to store a set of variable data in a single variable

To create array in JavaScript you can use New Keywords 

var MyArr= new Array("Ahmad", "Ali", "Wael");

The second way to create array in JavaScript

var MyArr=["Ahmad", "Ali", "Wael"];

To access array value  

var MyArr=["Ahmad", "Ali", "Wael"];
console.log(MyArr[0]); //  "Ahmad"
console.log(MyArr[1]); //  "Ali"
console.log(MyArr[2]); //  "Wael"