Signals in JavaScript

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A proposal has been made to introduce signals into JavaScript. What exactly are these signals? What will happen if they actually become part of JS? In my opinion, this will mean that current frameworks (React, Vue, Angular, Svelte) will essentially cease to make sense. What will replace them? And what problem will future libraries and frameworks solve?

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Typescript without Typescript

Typescript without Typescript

If I want types in JavaScript, do I have to use TypeScript? Or do I? Recently, several open-source projects (such as Svelte Kit) have ditched TypeScript but kept types. And the community collectively said, "Wait, what?!"

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