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Discussion on: 🚀 Visualizing memory management in V8 Engine (JavaScript, NodeJS, Deno, WebAssembly)

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Seanmclem

Does deno actually run typescript? I keep seeing that it uses a "typescript runtime". Does that mean it can run typescript without transpiled to Javascript?

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Deepu K Sasidharan

Technically it still uses V8 which runs JavaScript and hence internally it still transpiles into JS, but it's in the background and hence user doesn't have to worry about it. It like Python or Ruby which still gets interpreted into C before being executed.