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What is JavaScript and its uses

Thanks to decades of development, JavaScript has grown into one of the most prominent programming languages of all time. But, what is Javascript? It all began in 1995 when Brendan Eich developed JavaScript in ten days. JavaScript was designed to "bring online pages to life." Scripts are the name of the programs written in this language. They may be written directly on a web page via HTML and run as it loads. Scripts are given in plain text format and performed as such. They don't require any additional setup or assembly to execute. JavaScript contrasts substantially from the Java programming language in this way. 

General Sep 17, 21 by Nisal N 8 min Read
What is JavaScript and its uses

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When JavaScript was first developed, it was known as "LiveScript." However, because Java was so popular at the time, it was believed that branding a new language as a "younger brother" of Java would be beneficial. However, as JavaScript progressed, it became a separate language with its standard named ECMAScript, and it no longer had any ties to Java. It has undergone several other revisions and modifications since then and has progressed to the next level. This article will discuss the fundamentals of JavaScript and much more. Let's get started!


JavaScript is an interpretive elevated programming language for making web pages highly engaging. Have you ever felt that something is lacking from your website? Perhaps it isn't interesting enough or isn't as innovative as you would want. JavaScript is the missing component that may be utilized to enrich web pages, apps, and other programs to make them more user-friendly.

JavaScript is a client-oriented programming language with a lot of capability. What is JavaScript used for? It is mainly used to improve a user's engagement with a web page. JavaScript is a client-side programming language with a lot of capacity. 

In simple terms, you may use JavaScript to make your website more compelling and engaging. JavaScript is also frequently utilized in the creation of games and mobile applications. JavaScript is a web programming language that adds motion to websites to make them look more lively.

More specifically, it's a programming language that allows you to create sophisticated and attractive web page designs. You can guarantee that a web page utilizes JavaScript if it does something other than sit there and stare at you.

JavaScript's features:

Several features of Java make it distinctive from other programming languages. The following are unique characteristics of JavaScript:

  • JavaScript has nothing to do with Java. Why is it termed "Java" Script, then? What does JavaScript do? When JavaScript was initially published, it was known as Mocha. It was then modified to LiveScript and then to JavaScript after a licensing deal between Netscape (the creator of JavaScript) and Sun.
  • Polymorphism, encapsulation, and inheritance are all supported in this object-based scripting language.
  • It is an interpreted language, which means it does not need to be compiled like Java or C.
  • JavaScript is a script that runs in a browser, such as Google Chrome, Internet Explorer, or Safari. JavaScript can run in a browser, on a server, or on any device that supports a JavaScript Engine.

Presently, there are hundreds of programming languages available, and new languages are being developed on a daily basis. There are a handful of powerful languages among these that may cause significant market shifts, and JavaScript is among them.

JavaScript has long been regarded as one of the major programming languages. According to StackOverflow, JavaScript has been the most prominent and widely-used programming language for the 6th year in a row.

What can you do with JavaScript

JavaScript is mainly used to create attractive web pages and apps. Google Maps is an example of this. All you have to do to explore a particular map is click and drag with your mouse. And what kind of language might accomplish this? You guessed correctly! It's JavaScript.

Smartwatches may utilize JavaScript as well. Pebble, a prominent smartwatch manufacturer, is one example of this. Pebble has released Pebble.js, a tiny JavaScript Framework that lets a programmer construct a JavaScript app for the Pebble watch line.

JavaScript is used to construct major websites, like Google, Facebook, Netflix, Amazon, and others.

JavaScript is used to create games, as well as mobile apps, graphic design, web servers, and application servers. Many developers use JavaScript to construct small games and apps.

JavaScript's Frameworks

The JavaScript Frameworks are among the main reasons for JavaScript's success. Here's a quick rundown of the most popular JavaScript frameworks:


It is a web development framework developed by Google that offers a collection of contemporary development and design capabilities for rapid application development.


What is ReactJS? It is yet another popular JavaScript framework that Facebook mainly develops. It is used to power the Facebook and Instagram user interfaces, demonstrating its effectiveness in handling such high-traffic apps.


It is primarily used to create backend applications. One of Meteor's main concepts is minimizing time consumption and developing proficiency using JavaScript on the backend.


What is jQuery? You may utilize jQuery if you want to expand your website and make it more engaging. jQuery is used by Google, WordPress, and IBM, among others.

JavaScript's Advantages

There must be an explanation for why so many programmers enjoy programming with JavaScript. There are numerous advantages of utilizing JavaScript for online application development. Here are a few of them:

  • It's simple and easy to understand and put into practice. It is a feeble programming language, unlike potent languages such as Java and C++, which have rigorous coding requirements.
  • In current times, speed is everything, and because JavaScript is primarily a client-side programming language, it is extremely quick since every code can be executed instantly rather than having to contact the server and queue for a response.
  • A diverse collection of frameworks such as AngularJS, ExpressJS and ReactJS are utilized to create web apps and execute various activities.
  • JS builds engaging websites. We're all drawn to well-designed websites, and JavaScript is responsible for many appealing sites and apps.
  • Because the web translates JavaScript, It's an interpreted language that doesn't require the use of a compiler. You only need a browser such as Google Chrome, and you can do anything in it.
  • JavaScript is cross-platform, and all major browsers, including Internet Explorer, Mozilla Firefox, Safari, and Google Chrome, support it.

The Big Picture

Anyone who is acquainted with JavaScript understands that it is related to HTML and CSS. But what is the connection between these three, though? 

Consider HyperText Markup Language, commonly known as to be the web's backbone. It is intended to showcase online content. CSS, on the other hand, is similar to our clothing. To improve our appearance, we rely on stylish clothing. Likewise, the internet is extremely fashionable. For style, it employs CSS, which refers to Cascading Style Sheets.

Then there's JavaScript, which makes a web page alive. The web moves with the assistance of JavaScript in the same way youngsters go around on skateboards.


To sum up, what is JavaScript, let's go through the concepts again. We discovered that Brendan Eich created JavaScript, a client-side programming language. JavaScript is compatible with nearly all operating systems and web browsers. And to make JavaScript code, you'll need a text editor, and to see your web page, you'll need a browser. That's all! If you have anything else to know, get in touch with us through the comment box below. 

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Nisal N

Computers has always fascinated me since I was a kid and here we are. I love travelling for 2 reasons: the first one to see a new part of the world and second (the most important one) to experience the rich culture hidden among the country and people. I'm pretty good at cooking but very poor when it comes to baking.

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