Is TypeScript better than JavaScript?

First, what is TypeScript?

It is a strict syntactical superset of JavaScript and adds optional static typing to the language. It is designed for the development of large applications and transpiles to JavaScript.

Well then, is TypeScript better than JavaScript?

So, in certain certain cases, yes. In certain situations, using a statically typed language versus a typed language can be very advantageous. Examples can be when you have a big team working on the same code, you have a bunch of data models, you're having issues with type errors, or managing variable types; then that's where TypeScript serves to solve those issues.

I wouldn't just use it for everything though; I wouldn't put the overhead of TypeScript into something that's very simple that doesn't have the problems that TypeScript typically solves.

TypeScript has other advantages too; you can model your data properly and really have control over that; you can create strict data models.

But for certain apps, if you write the JavaScript properly/cleanly, it very well might not be advantageous to add the complexity of TypeScript. There's a trade off to add and use TypeScript in a project. There's a compilation step that you have to deal with if there's any issues with compiling it. Because TypeScript isn't JavaScript; it compiles down to JavaScript at build time. So there always could be issues with that, and there's added complexity inherently in doing so.

TL;DR;
No, TypeScript is not “better” than JavaScript. Nor vice versa. They both are extremely important and should be used in their most optimal use cases.

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