Decalation of Array in Javascript

An array is used to store a collection of data. In javascript, data doesn’t need to have same type.

var arr = [ 1,"sam", true, {"name":"kumar"} ];

Declaration

Array can be declared in several ways,

Syntax	Explanation	Result
var myArray = new Array()	Creates Empty Array	[ ]
var myArray = new Array(3)	Creates Array with Length 3 Value all empty	[” “,” “,” “]
var myArray = [3]	Creates Array with length 1 Value 3	[3]
var myArray = new Array(1,2,3)	Creates Array with length 3 Value 1,2,3	[1,2,3]
var myArray = [“apples”, “bananas”, “oranges”]	Creates Array with length 3 Value “apple”, “banana”, “orange”	[“apple”, “banana”, “orange”]

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