5 ESSENTIAL JAVASCRIPT TOOLS WORTH LEARNING

5 Essential Javascript Tools Worth Learning

javascript has rocketed into prominence as the symbol of new generation web technologies ruling tech world. Web developers rate Javascript as a critical component of HTML5 technologies along with JQuery and CSS. Javascript is ubiquitous and it is impossible to think of a web development arena without Javascript. It has been reported that Javascript is the most used language on GitHub..

As an article published in a web development journal succinctly put it, “Javascript is the number one language in the world. It’s the language of the web and a starting point for so many web developers”. JSON, Ajax, Angular.JS, BackboneJS and Node.js, are the most used Javascript concepts beyond any doubt of dispute.

JSON

JSON stands for Javascript Object Notation and it has become the major technical specification used in the web development arena. As JSON can be used with any programming language, its primary usage is for transmitting data between server and web application. JSON naturally becomes a best choice for web developers to connect to their applications to backend services (developed in Java or PHP or ASP.NET or similar). Mauritius Although JSON is derived from Javascript scripting language, it is a language independent data format. JSON’s basic types are Number, String, Boolean, Array, Object, and Null. It is the primary data format used for asynchronous browser or server communication largely replacing XML.

Ajax

Ajax is the acronym for Asynchronous Java and XML. AJAX helps to update a portion of the webpage without the need to refresh the whole page (for any data updates). It is the prominent technique of single page application. Objective of single page application is to build a website that fits on a single web page to provide a more fluid web experience. Implementation of Single Page Application is done using XMLHttpRequest object from Javascript. Ajax lets developers to write web applications to send and retrieve data from a server asynchronously and they can ensure that it is performed without causing interference to display existing page. AJAX supports various data types such as html,string,json and xml. There have been a number of developments in the technologies used in Ajax application ever since its inception.

Angular.JS

Angular.JS is an open source web development (MVC) framework built by the Internet giant and omnipotent Google. It was introduced for the purpose of simplification of application development and Angular.JS takes care of HTML’s inability to build dynamic views in web applications. With the help of Angular.JS, web development experts can extend HTML dimension for web application. Angular.JS collects data from server and compiles templates locally for presentation through client side MVC framework. Angular JS library works by first reading the HTML page which is embedded into additional custom tag attributes. According to information available from a Javascript analytics service provider, Angular JS is used by many major companies such as Verizon, Apple, Cisco, Etrade, ATT and more. One of the prominent features of AngularJS is two-way data binding which is missing in most of other JS-MVC frameworks.

Backbone.JS

Backbone.JS is an effective Javascript library equipped with JSON interface and it is based on the model view presenter. According to the description given in Backbone.JS website, “Backbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects all to your existing API over a RESTful JSON interface”. Backbone.JS has gained huge popularity among web developer community because it is a robust and scalable platform for building web applications. Web applications of Digg, Foursquare, LinkedIn Mobile, Pandora Radio, and Pinterest are built with Backbone.JS. As Backbone.JS technology is dependent on one Javascript library, it is known for being light weight. It leads to more code and lean MVC framework for organizing Javascript application. Backbone.JS comes with models, collections, views, events, router, and other great features. In the context of Backbone.js, the model is a place where data is kept and the business logic is distributed between the views and main application’s file.

Node.Js

Node.js acts as the backbone of success of Javascript and it is a platform used for building fast network applications. Being based on Google’s V8 Javascript engine and Chrome browser runtime, Node.js has gained immense fame among web development aficionados. A unique feature of Node.js is that it contains a built-in library that allows applications to act as an independent web server. It is to be recalled that other prominent software platforms used for building network applications depend on Apache HTTP server and IIS. Node.js features an event-driven architecture (Software architecture pattern promoting the production and reaction to events) and non blocking I/O API. Web development projects of upcoming years will be based on the uniform web language of Node.js. Node.js can be run within the run time on OSX, Microsoft Windows, Linux, Free BSD and IBM-I. It has been reported that Node.JS is used by multinational corporations including PayPal, Microsoft, Yahoo as well as Walmart. When Node.js was invented in 2009, neither its developer Ryan Dahl nor others thought that it would become a stupendous hit among web developers.

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