JavaScript - Array Methods - map

Below code demonstrates the usage of array method:

• map

var Arr1 = [1,2,3,4,5,6,7];

console.log(Arr1.map(function(value){
  return value * 2;
}));

Refer:  https://docs.microsoft.com/en-us/scripting/javascript/reference/map-method-array-javascript

Practice at: http://jsbin.com