Question: Should I Learn JavaScript Or TypeScript?

Can I learn TypeScript without knowing JavaScript?

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..

What companies use TypeScript?

TypeScript is at the moment used by Microsoft, Asana, Lyft, Slack, all Angular 2+ developers, multiple React & Vue. js developers, and thousands of other companies.

What are the disadvantages of TypeScript?

Disadvantages of TypeScriptOverly complicated typing system. First of all, the typing system, while a great tool in many regards, can sometimes be a little too complicated to use properly. … Required compilation. … False sense of security.

Will TypeScript replace JavaScript?

With a little bit of work, TypeScript can be used as a replacement for JavaScript. … TypeScript is also a superset of JavaScript, that is it allows the developer to write in standard JavaScript if they want to, but also adds new features designed to help developers build larger and more complex programs.

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.

Why you should not use TypeScript?

One thing that many beginners do not understand about TypeScript is that it does not guarantee type-correctness at runtime. Your TypeScript code might be fully typed and the compiler ensures you that everything must be correct… but at runtime you still get errors because your variables might be of the wrong types!

Is Facebook using TypeScript?

From the support perspective, TypeScript is much better because major frontend frameworks like Vue, Angular, and Facebook’s own React all support TypeScript out of the box.

Is TypeScript frontend or backend?

Introducing TypeScript Since TypeScript compiles down to plain JavaScript, Node. js is used as a backend runtime environment. From the absence of an all-embracing Spring-like framework follows that a typical web service will use a leaner web server framework (like the excellent Express.

Is TypeScript the future?

Feldman predicted that by the end of 2020, Typescript will be the most common choice for new JS commercial projects. And by the end of 2025, he predicted that there will be more people writing in TypeScript on a daily basis than people writing vanilla JavaScript.

Should I learn TypeScript or JavaScript Reddit?

As far as learning goes, JavaScript is the best place to start. It’s already what TypeScript is based off of so by writing JavaScript you’re pretty much already writing TypeScript. Once you want to step up your game from JavaScript, you can start getting into the things added by TypeScript.

Why did Microsoft create TypeScript?

TypeScript is a language for application-scale JavaScript development. It’s a typed superset of JavaScript that compiles to plain JavaScript and was originally created out of a need for a more robust tooling experience to complement JavaScript language developers.

Is TypeScript type safe?

When you first download TypeScript and start compiling code I think it is best to think about TypeScript as occupying the same space as ESLint in your work flow. In fact it’s probably not even as big of an asset as ESLint. … It’s default behavior does not make it a good tool for providing type-safety in your code.

Is TypeScript slower than JavaScript?

Typescript is faster. Typical use of TypeScript is to transpile to JavaScript, so when you “run” TypeScript, you are in fact running JavaScript. All things being equal, I wouldn’t expect any measurable difference between hand-written JavaScript and JavaScript created by the TypeScript transpiler.

Is JSX TypeScript?

TypeScript supports JSX transpilation and code analysis. If you are unfamiliar with JSX here is an excerpt from the official website: JSX is an XML-like syntax extension to ECMAScript without any defined semantics.

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 hard to learn?

Technically, you do not need to learn TypeScript to be a good developer, most people do just fine without it. However, working with TypeScript definitely has its benefits: Due to the static typing, code written in TypeScript is more predictable, and is generally easier to debug.

How long does it take to learn JavaScript?

6-9 monthsMost programmers will say that it will take at least 6-9 months to learn basic JavaScript and really be comfortable with it. Even then, you will still spend years gaining new skills and a deeper understanding of JavaScript, as well as many of the hundreds of other programming languages.

Should I use TypeScript or JavaScript?

TypeScript provides highly productive development tools for JavaScript IDEs and practices, like static checking. TypeScript makes code easier to read and understand. With TypeScript, we can make a huge improvement over plain JavaScript. TypeScript gives us all the benefits of ES6 (ECMAScript 6), plus more productivity.