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JavaScript vs. TypeScript: What’s the Difference?




The two most important technologies for developing web applications are TypeScript and JavaScript. Consequently, JavaScript has emerged as the most favored programming language among the extensive developer community.

But things have drastically altered once TypeScript was developed. TypeScript is regarded as JavaScript’s improved version, complete with some extra capabilities.

JavaScript Review

A programming language called JavaScript makes it easier to make interactive websites. It operated in the user’s web browser without requiring any resources from the web server since it adhered to client-side programming guidelines. JavaScript may also be used with other technologies, like XML and REST APIs. JavaScript is still one of the popular languages today, check out the trends here: to see for yourself.

TypeScript Review

Building upon JavaScript, TypeScript (TS) is a high-level, statically and strongly typed programming language. Since TypeScript is intended to be a superset of JavaScript, any acceptable TypeScript code ultimately qualifies as valid JavaScript code. JavaScript may now have optional type annotations added by TypeScript, enabling type checking during compilation and identifying issues early in the development process.

TypeScript Review

Difference Between TypeScript and JavaScript

The following are some of the numerous considerations that need to be taken into account when comparing TypeScript vs JavaScript, two programming languages:

Understanding Curve

A superset of JavaScript is TypeScript. It is necessary to have a fundamental grasp of JavaScript in order to develop TypeScript code. Additionally, you must understand the OOPS idea well.

Conversely, JavaScript is a well-liked and simple-to-learn programming language. A lot of developers use HTML, CSS, and JavaScript to build online apps. But HTML is difficult because it involves programming, animations, web behavior, and event management.

Developers’ Network

In a short period of time, TypeScript became widely used and was adopted by several businesses. To learn TypeScript, there are a ton of courses and resources accessible online. Nonetheless, the community is very helpful and engaged.

Conversely, the JavaScript community is smaller than that of TypeScript. JavaScript provides a multitude of programming techniques, libraries, and frameworks.


As far as we know, TypeScript was developed to address JavaScript’s shortcomings in complicated, high-level applications. As a result, TypeScript reduces development time and boosts developer productivity.

The compilation of TypeScript code into JavaScript before execution is the sole distinction between TypeScript and JavaScript.


JavaScript lacks the functional paradigm, type system, and variable declaration that TypeScript provides. With support for ECMAScript 2015 Standard features including modules, an arrow function syntax, and classes, it has a syntax similar to those of JScript and.Net.

JavaScript adheres to the specifications of ECMAScript as well. It isn’t a typed language like TypeScript, however. It makes extensive use of C’s structured programming terminology, including do-while loops, switch statements, and if statements.

Equipment and Structures

Microsoft has a lot of the top frameworks and editors since it supports TypeScript. It enables error handling during compilation to prevent problems at runtime via close connection with editors.

Conversely, there are a ton of JavaScript frameworks on the market that may be used for every kind of web development project. It’s a massive ecosystem that programmers find to be very interesting.

JavaScript or TypeScript: Which is Better to Study


JavaScript or TypeScript: Which is Better to Study

One of the top scripting languages for generating dynamic and interactive online content-like apps is Javascript, which is officially utilized by developers worldwide.  JavaScript is the most widely used scripting language on about 97% of all websites.

It is advised to study both TypeScript and JavaScript if you are choosing between the two. It’s not always possible to work with TypeScript in the real world, yet JavaScript is still a strong language. To have a solid grasp of TypeScript and JavaScript, it is advised that you first study JavaScript. This is particularly valid if you haven’t yet learned how to program.

But if your experience is with object-oriented programming, it could be more sensible to start with TypeScript. If you do not intend to start a professional career using TypeScript and are only studying for pleasure or to have a basic grasp of your company’s codebase, then it is also reasonable to merely learn TypeScript.


TypeScript and JavaScript are strong front-end languages for online and mobile development, used for creating beautiful UI and UX on websites and applications. JavaScript is better for smaller applications due to its easier learning and interpretation capabilities, while TypeScript is more complex and difficult to learn.

Tessa is a Senior Writer at Patty360. She has previously worked as a freelance journalist for various news sites in the UK.

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