What can TypeScript do that JavaScript Cannot?

TypeScript adds type support to JavaScript and catches type errors during compilation to JavaScript. Bugs that are caused by false assumptions of some variable being of a certain type can be completely eradicated if you play your cards right (how strict you type your code or if you type your code at all is up to you).

How is TypeScript different from JavaScript?

KEY DIFFERENCE

JavaScript is a scripting language which helps you create interactive web pages whereas Typescript is a superset of JavaScript. Typescript code needs to be compiled while JavaScript code doesn’t need to compile.

Can you use TypeScript without JavaScript?

Learning JavaScript and TypeScript

The answer is that you can’t learn TypeScript without learning JavaScript! TypeScript shares syntax and runtime behavior with JavaScript, so anything you learn about JavaScript is helping you learn TypeScript at the same time.

When should you not use TypeScript?

7 really good reasons not to use TypeScript

  1. It is risky. Wow. …
  2. It is messy. …
  3. It does not solve the problem. …
  4. It is not a superset, it is a subset. …
  5. It is open-source, but nothing more. …
  6. But big companies use it… …
  7. But it has more features…
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Can TypeScript run JavaScript?

A Result You Can Trust

TypeScript code is transformed into JavaScript code via the TypeScript compiler or Babel. This JavaScript is clean, simple code which runs anywhere JavaScript runs: In a browser, on Node.JS or in your apps.

Should I learn JavaScript or TypeScript?

You may learn TypeScript without learning JavaScript. But TypeScript contains many features that versions before JavaScript ES6 doesn’t have. It’s better learn pure JavaScript after you know almost everything on TypeScript, and it is strongly recommend. Definitely learn JavaScript first.

Is TypeScript frontend or backend?

TypeScript is a natural fit for the world of frontend applications. With its rich support for JSX and its ability to safely model mutability, TypeScript lends structure and safety to your application and makes it easier to write correct, maintainable code in the fast-paced environment that is frontend development.

Is it worth using TypeScript?

TypeScript is 100% worth it. It’s how JavaScript should have been by default. The combination of static type checking with intelligent code completion provides a significant boost in developer productivity. Not only can you work faster, but you can also catch a ton of errors before they arise.

Should I learn TypeScript directly?

TypeScript simply outperforms other scripting languages like CoffeeScript. So after learning JavaScript if you jump into the world of Typescript then it’s better to start with Typescript earlier which really helps you a lot in the future for sure.

Is TypeScript slower than JavaScript?

It has a longer learning curve than JavaScript, so if you have a team of JavaScript developers and no TypeScript experts, there will be a learning curve that they need to climb before they hit 100% productivity. Side note: Coming from another language with advanced types to TypeScript can be really fast.

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Does Google use TypeScript?

Google is using TypeScript and Angular on TypeScript for its famous products such as Google Analytics, Firebase, and Google Cloud Platform including its critical internal tools – bug tracking, employee reviews, and product approval and launch tools. Brad also added, Google codebase has millions of lines of Dart code.

Is TypeScript good for backend?

Typescript is a superset of JavaScript. It’s not language-independent. JavaScript is used for both front end and backend. Since TypeScript works with JavaScript it can be used for either writing both frontend or backend, but still compiles to JavaScript.

Is TypeScript the future?

To sum it up, I think TypeScript will continue to grow in popularity for the foreseeable future. It provides great development experience, doesn’t have much competition, and enjoys high adoption rates among (especially new) open-source projects.

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