Arrays in Javascript

What is an Array: An array is a collection of values stored in a single variable. Instead of creating multiple variables: let a = 10 ; let b = 20 ; let c = 30 ; we can use Array: let numbers = [ 10 , 20 , 30 ]; Creating an array using literal: Creating Empty Array : let a = []; console . log ( a ); Initalize values : let b = [ 10 , 20 , 30 ]; console . log ( b ); O / P : [] 10 , 20 , 30 Creating using new Keyword(constructor): let a = new Array ( 10 , 20 , 30 ); console . log ( a ) O / P : [ 10