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”]
Advertisements

Published by

shiyam

My passion became my profession , I'm a driven, energetic and proactive tech professionally. I consider myself an engagement professional, as I don't simply provide solutions, I create them. I am a continuous learner – always looking for new technologies, in my spare time I search Google for the latest trends . I like to think of myself as a futurist and I'm a Full Stack JavaScript Developer. >> Skills << ✔ Web App Development ✔ Strong Javascript ✔ Backbone.js, Angular.js, Dojo.js ✔ jQuery.js ✔ Node.js ✔ MongoDb , MySql ✔ Socket.io / Web Sockets (Native) ✔ PHP ✔ Ruby (Watir - Automation) ✔ Grunt ✔ Github , Bitbucket , SVN ✔ Agile Process ✔ Scrum ✔ Ability to research and adapt new techs ✔ Fast Learner ✔ Always Punctual ✔ Critical Thinker ✔ Friendly Personality

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s