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raddevus

Software Developer Team Lead with 30 years of development experience.

Are you sure this code works?

const app = document.querySelector<HTMLDivElement>('#app')!;

I think you need to remove <HTMLDivElement> & the ! right before the semicolon.

I think it is supposed to be: const app = document.querySelector('#app');

Krzysztof Kałamarski

Fullstack Javascript Developer @ Exlabs

hey raddevus, thanks for commenting :)

All code I used in this post is a valid TypeScript code.

The ! is a non-null assertion operator - see the docs.

But you are right, if you want to run this code in the browser you need to remove typescript-specific syntax (like type annotation and !)

Krzysztof Kałamarski Ahh...TypeScript Ok, got it.

R

raddevus

Software Developer Team Lead with 30 years of development experience.

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