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What Does JavaScript Do? 5 JavaScript Application Examples in Software Development 

Author: Innotech Vietnam
Date: 17/08/2022

What purposes does JavaScript serve in software development? Since 1995, JavaScript programs have been powering the internet. Developers can create responsive and dynamic web sites with JavaScript.  

JavaScript is now utilized for a wide range of applications, both on and off the web. Continue reading to learn more about JavaScript and how it may benefit your software development project. 


What is JavaScript? 


JavaScript is a high-level, often just-in-time compiled language that conforms to the ECMAScript standard. It has dynamic typing, prototype-based object-orientation, and first-class functions. It is multi-paradigm, supporting event-driven, functional, and imperative programming styles. JS has application programming interfaces (APIs) for working with text, dates, regular expressions, standard data structures, and the Document Object Model (DOM). 




The web was totally static prior to the development of JavaScript. JavaScript allows web pages to feature rich content that may react to user input or animation on its own. 

JavaScript could initially only be in the software development side, that is, in web browsers. However, developers may write code and perform server-side using Node.js, a cross-platform runtime environment for JavaScript. 

To execute code, nearly every browser has its own JavaScript engine. And most websites rely on JavaScript for client-side functionality. 

The JIT compiler in JavaScript is very remarkable. Languages that are translated are known in the software development process. Ones that are interpreted are known to be slower than languages that are compiled. On the other hand, the JIT compiler is a function of the run-time interpreter. 

It combines the benefits of an interpreted language, such as dynamic typing, with the help of compiled code, such as more robust error avoidance. 

Another characteristic of JavaScript is dynamic typing. This feature denotes less stringent constraints on variable declarations. 

Similarly, object-oriented program, one of the many programming paradigms supported by JavaScript, allows software development professionals to conceive more naturally. 


When To Use JavaScript in Software Development?

JavaScript is mostly used to create web-based applications. JavaScript can achieve the following things for the web: 

  • Incorporating interactive features into websites such as zooming in or out and playing audio/video 
  • Producing mobile and web apps, with the most well-known examples of these software development models are Netflix and Uber;  
  • Constructing web servers and application servers with Node.js; and making games that run in the browser. 




5 JavaScript Application Examples in Software Development 


Here are some case studies on what JavaScript can accomplish to help you understand how it is used and how you can utilize it in your business. 


 1. Web and mobile applications

For creating mobile and web apps, JavaScript supports numerous frameworks, including React Native, Ionic, and Angular. Depending on how JavaScript is implemented in each framework, all of these frameworks add tools to make development easier. 

One well-known firm that uses JavaScript to run its online platform is Facebook. Facebook built two JavaScript frameworks called React and React Native. 


 2. Game Design

JavaScript may be used to create web browser games. GitHub hosts a number of gaming engines, many of which use HTML5. 

With the support of the WebXR Device API, JavaScript also has its role in the VR-based business. 


3. Server Programming

Server-side scripting has the immediate advantage of enabling content to load without consideration of browser limits. The reduced loading speed can result in better SEO and increased customer satisfaction in the long software development run. 

This is just another example of how JavaScript may be deployed. Developers may design server-side apps using the JavaScript runtime environment, Node.js. 


4. Interactive User Experience in Software Development

The most typical example of how JavaScript is utilized is to provide an interactive user experience (UX). JavaScript is an essential front-end software development technology. 

JavaScript is responsible for how you navigate the web by utilizing a fall button to drop to the bottom of a page. 


5. Artificial Intelligence & Machine Learning Activities

JavaScript includes libraries to aid in the creation of AI-related applications. Tensorflow.js, for example, is a machine learning JavaScript library. The developers can use the library to create and educate machine learning models, which helps a lot in software development. 


Bottom Lines 


Knowing what JavaScript can do might help you alter your business plan to meet the demands of your software development project. Software development is more than simply creating software; it encompasses a wide range of businesses. 

In need of qualified JavaScript developers for your business? You’re exactly where you should be. Innotech offers skilled JavaScript developers here to assist you with your next project! 


With 14+ years of experience, 200+ projects done, and a team full of talented individuals, Innotech Vietnam can be a reliable partner if you are looking for an software development company.     

There is a lot of information about the clients Innotech now serves on our website. We attempt to provide you with the sense of security you need to enjoy enhancing your business with us.     

Contact our team of experts if you have any queries or concerns about outsourcing and we’ll be more than pleased to assist you.     


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