JavaScript Important

Practically, every professional recruiting source, be it, or LinkedIn, has observed and reported the growing demand for developers. That might be so but what they fail to report is that the demand increases or decreases with the market conditions. The point to be noted is that in today’s scenario, the need for developers skilled in HTML5, CSS and JavaScript are high. For this reason, need to learn JavaScript important.

Accordingly, many big IT firms are looking for developers proficient in using JavaScript and its corresponding framework. Development of web-based application has seen a steep growth. JavaScript, taking a hand in hand with HTML5 and CSS to build front-ends of websites, is now to be found in mobile based applications as well as on the back end with the use of node.js server side scripting.


Why is JavaScript Important?


It has become a matter of debate as to why people are moving towards JavaScript when acceptable options like Java, .NET and python already exist. Well, the justification is simple. JavaScript is a native language for all web browsers. It has a library or plugin for almost everything and it makes communication with API’s, for serving data to the web pages, simpler and easier which are making JavaScript important.

In the first place, JavaScript was known as “Client-side scripting language”. Ultimately, now it has evolved to become a well-supported back end language using node.js with express.js in building applications. Node.js helps in building server connections and database connections with the interactive use of express.js (a Node.js web application framework). And this is not the only feature JavaScript offers, it is also used on a variety of platforms discussed below.

UI Development

JavaScript Important

HTML5, CSS, and JavaScript go hand in hand. There are many JavaScript frameworks which give UI Development a different standard. A responsive and well-built UI offers extraordinary features to an application that make it more presentable, user-friendly and attractive.

Jquery: Jquery is a small, fast and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers. With a combination of versatility and extensibility, jQuery has changed the way that millions of people write JavaScript.

Jquery UI: Jquery UI is a widget and interaction library built on top of the Jquery that you can use to build highly interactive web applications.

Data Tables: It is a plug-in for the jQuery JavaScript library. It is a very flexible tool.  Progressive enhancement and advanced interaction controls to HTML table are the foundations of Data Tables.



QUnit: It is a powerful and easy to use JS unit testing framework. Jquery and Jquery UI uses QUnit as it is capable of testing any JS code, including itself.

Mocha: Mocha is a JS testing framework enriched with ample features. It runs on Node.js and in the browser, making asynchronous testing simple. Mocha tests run serially, allowing for flexible and accurate reporting while mapping uncaught exceptions to the correct test cases.

Similarly, there are more testing JS frameworks like YUI Test, TYPEDJS, JsUnit, JCov etc. which are used widely to test applications with a great support.

JavaScript Frameworks


Backbone JS


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 decorative event handling and connects it all to your existing API over a RESTful JSON interface.


Current Version: 1.3.3



Angular JS


Presently, Angular is the most popular enterprise framework that many developers are using to build and maintain complex applications these days. It is an MVC-type framework. It offers two-way data binding between models and views. This data binding allows for an automatic update on both sides whenever there is a data change. It enables developers to build reusable View components.


Current Version: 1.5.1 / rc.1


React JS


React is a JavaScript library for creating user interfaces by Facebook and Instagram. Many people choose to think to React as the ‘V’ in MVC. In fact, the developers of React built ReactJS to address just one problem, that is, building large applications with data that changes over time. It is simply expressive how your application should look at any given point in time, and React will automatically manage all UI updates when the underlying data changes.


Current Version: 15.0.2


It seems like almost every other week there is a new JavaScript library taking the web community by storm! The web community is increasingly vibrant, diverse and is moving rapidly on multiple fronts. It would be an impossible feat to survey every major JavaScript framework and library. Making learning JavaScript important aspect for every developer in today’s IT world.

28 thoughts on “Why is JavaScript Important?”

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