Typescript vs JavaScript: Understand the Top Difference in Detail
Typescript vs JavaScript: Understand the Top Difference in Detail
You are going to learn the Typescript vs JavaScript analysis and know which one is suitable for your next web development process.
Internet widely uses JavaScript. JavaScript has been on the market for many years and has grown to be a popular programming language among developers. It has served as the gateway programming language for many as the most popular scripting language for many online applications.
However, it is not the only one of its sort. With TypeScript’s growing popularity, we may consider it an upgraded version of JavaScript with more functionality.
The majority of large applications are suitable for TypeScript, an open-source programming language– the main difference between Typescript and Javascript. Microsoft built it in 2012, primarily to manage large applications.
What is JavaScript?

JavaScript, created by Netscape in partnership with Sun Microsystems, is one of the most ubiquitous fundamental web technologies. JavaScript is a scripting language for creating interactive web pages. It follows client-side programming standards, meaning it operates in the user’s web browser without requiring any resources from the webserver. It’s a high-level language with a JIT compiler and dynamic typing. For a long time, JS was solely for client-side, although several modern JS engines also feature server-side equivalents. The syntax of JS and the native libraries are both comparable to Java. JS is the greatest programming language to grasp as a beginner.
The goal of creating this script is to make it a supplementary scripting language in the same way that Visual Basic was to C++ in Microsoft’s language family. JavaScript was mainly for apps with less than a few hundred code lines.
What is TypeScript?
TypeScript is a JavaScript programming language from the modern decade. All of your JavaScript code is valid in TypeScript, which implies TypeScript is a superset of JavaScript — it’s just JavaScript with extra capabilities. It is a dynamic language for writing concise JavaScript code. When we examine Typescript vs Node.js, it may be executed on Node.js or any browser that endorses ECMAScript 3 or the latest versions.
TypeScript, like JavaScript, serves the same goal but is suited for building complex apps. JavaScript is compiled from TypeScript.It is structured as an object-oriented programming language and supports concepts such as interfaces, inheritances, namespaces, and classes. Type annotations enable static typing in TypeScript.
TypeScript is a highly typed language. This allows for easier debugging, which is a far more effective method of coding for large projects. TypeScript programs, like any other full-fledged programming language, are made up of sections, features, variables, remarks, phrases, and statements. When the code gets large, difficult to manage, and prone to mistakes, this is where TypeScript comes in handy.
Difference between TypeScript and JavaScript
Why was Typescript developed despite having Javascript?
JavaScript is extended by TypeScript. It covers all JavaScript features as well as advanced features. The use of JavaScript practically everywhere necessitates the use of TypeScript. JavaScript is no longer restricted to the client-side; it is utilized practically everywhere, including outside of browsers. JavaScript is used by almost 90% of websites, mobile applications, and many other programs. However, when consumers began to utilize JavaScript, developers recognized that it could also be used as a server-side programming language. However, as JavaScript grew in popularity, the code got more intricate and complex.
TypeScript was swiftly gaining popularity and a significant number of businesses were using it. There are several resources for learning TypeScript, and developers may readily obtain help from the TypeScript community. It is not as huge as the JavaScript community. The present JavaScript ecosystem includes several platforms, modules, and code practices, rendering it one of the largest development communities.
Browsers cannot natively comprehend TypeScript code with top frontend frameworks. As a result, if the code was written in TypeScript, it is translated and transformed to JavaScript. This is referred to as trans-piled. Browsers can read and display the code with the aid of JavaScript code. Developers may employ TypeScript to reuse existing JavaScript code, include popular JavaScript libraries, or call the TS Code from native JavaScript code.
Features of JavaScript
Object-oriented programming support
As Java Script has a window object, Object Centered Language characteristics are into the object. The idea of class and OOPs is improving since ES6. In addition, two essential OOP principles in JavaScript are Object Creation patterns (Encapsulation) and Code Reuse patterns (Inheritance). Although JavaScript developers seldom leverage this capability, it is available for anybody to use.
Client-side Validation
This is a feature that has been present in JavaScript for a long time and is still extensively utilized because every website has a structure in which users enter values, and in order to ensure that users enter the correct value, proper validations must be implemented on both the client-side and the server-side. Client-side validations are implemented using JavaScript.
More Browser control
As JavaScript is a client-side language, it has several capabilities that allow developers to partition work between the browser and the server, decreasing server load by having basic operations, validations, temporary data storing via cookies, and so on on the browser itself.
Prototype-based language
Features of TypeScript
Portable
TypeScript is portable in the sense that it may run on any browser, device, or operating system. It may be executed in any environment that supports JavaScript. Its execution is not limited to any virtual machine.
Cross-Platform
JavaScript libraries
Static type-checking is used in TypeScript
This is accomplished through the use of type annotations. It aids type checking during compilation. As a result, you may identify mistakes while typing the code rather than executing your script every time. Furthermore, if a variable is defined without a type, its type will be deduced depending on its value using the type inference method.
Typescript vs JavaScript: Why do you need TypeScript?
TypeScript is a free and open-source programming language that streamlines JavaScript code, allowing us to understand and debug. It offers extremely productive developer tools for JavaScript IDEs as well as techniques such as static checking. TypeScript simplifies the reading and understanding of code. With it, we can vastly improve on ordinary JavaScript. TypeScript provides all of the benefits of ES6, plus increased efficiency. By type verifying the code, TypeScript can help us avoid nasty problems that developers frequently encounter when creating JavaScript. It is little more than JavaScript with some extra features. TypeScript is structural, not nominal, and its code is in accordance with the ES5 and ES6 standards to support the most recent browsers. It is compatible with ECMAScript and will focus on saving developers time.
Main difference between JavaScript and TypeScript

There are numerous similarities between TypeScript and JavaScript. Both are used to build interactive web pages. TypeScript is a JavaScript specialized version designed to reduce code complexity in big, complicated applications. JavaScript is a programming language that may be used to create dynamic web page content. However, when TypeScript vs JavaScript is compared, JavaScript is a lightweight, processed, dynamic language for web design. It is used to supplement HTML web pages in bespoke web app development.
Other Differences between Typescript vs JavaScript
Learning curve
Data Binding
TS vs JS- Typing
Ecosystem
When to choose JavaScript?
Developing online and mobile applications
Including interactive features on web pages
When to choose JavaScript?
When team members were accustomed to statistical language: If you or the majority of your team come from a statically typed language such as C# or Java and don’t want to commit to JavaScript, TypeScript is a viable option. Even if you have a strong understanding of Java, you can use TypeScript without knowing JavaScript.
TypeScript recommended framework
Large codebase
When your codebase is large and several people work on the project, a type system would help you prevent many typical errors. This is particularly true for one-page apps. It’s typically a good idea to have some form of safety mechanism in place whenever one developer may propose breaking modifications. The TypeScript transpiler highlights the most obvious errors.
When to choose typescript over javascript?
TypeScript is more trustworthy
TypeScript code is more dependable and simpler to modify than JavaScript code. This makes it considerably easier for developers to avoid mistakes and change code. Types invalidate the majority of the foolish errors that may creep into JavaScript codebases, and they enable a speedy feedback loop to remedy all of the little issues that occur when developing new code and debugging.
They are interchangeable
As JavaScript is a subset of TypeScript, you may utilize any JavaScript library or code in your TypeScript project. Since most popular JavaScript libraries feature types, you can progressively incorporate TypeScript into your JavaScript codebase by first adding types to particular modules and then extending them.
TypeScript is more specific.
Large codebase
When your codebase is large and several people work on the project, a type system would help you prevent many typical errors. This is particularly true for one-page apps. It’s typically a good idea to have some form of safety mechanism in place whenever one developer may propose breaking modifications. The TypeScript transpiler highlights the most obvious errors.
What should I learn? Typescript vs JavaScript
If you’re completely unfamiliar with the domain of programming, you should definitely start with JavaScript. Note that TypeScript extends JavaScript, so start off small and gradually build up. You’re ready to tackle TypeScript once you’ve mastered JavaScript. TypeScript is a must-have if you want to be more competitive as a web developer, especially if you want to work on large, complicated projects. It will assist you in detecting issues prior to runtime and building apps faster than JavaScript alone.
In the end: which one is better? Typescript vs JavaScript
Conclusion
FAQs of Typescript Vs JavaScript
Author
Kush P
Kush Patel is the Chief Technical Officer and Managing Director of Echo Innovate IT – a software development company. He is responsible for the overall operations of the company and has played a major role in making Echo innovate IT the top-notch IT services provider and transforming it into a globally trusted web and app development company.