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React's key prop is super sly

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I sometimes make videos on the internet about javascript stuff.

I made a tiny one to show a common gotcha with React:

You should follow me on twitter

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markdown guide
 

Awesomely quick and clear explanation of key prop and the bug that almost all new React developers (and even some experienced React developers) run into!

 

I like the format of the video, short and simple. Keep them coming.

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Independent developer. Built react.games, tinyreact.email, metrics.coffee, bundlesize past: design systems @auth0, frontend architect @practo 📧sid.studio/newsletter 🎥youtube.com/sid-studio

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