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Studying type script, I realized that it:
1- It is not a new language and yes, let’s say a plus/additional to Javascript, which adds some new concepts, I’m sure?
2 - Did I not understand where I should use it? Some Framework in particular? Or will I just sub-select it instead of JS by itself?
3 - Don’t need to know NODE to learn right Typescript?
Platforms that use: https://angular.io/ and https://nestjs.com/ are examples, remembering that some applications and "frameworks" use Angular, so they use Typescript... Yes, you will need Node, but to test things online, without having to install anything you can use https://www.typescriptlang.org/play. It will not replace Javascript, it is actually transpylated for Javascript, this can be configured: https://answall.com/a/487905/3635, of course, running in front will depend on the browsers supporting the chosen ES version.
– Guilherme Nascimento