Preact in pictures

  • Part 1 describes Preact, why you might want to use it, and the tradeoffs you have to make by not using full React.
  • Part 2 walks through what Preact is doing internally to render and diff a simple application. To many people, the virtual dom and component model seem like deep mysteries that mere mortals shouldn’t try to understand. As I hopefully demonstrated, this isn’t true. It’s a reasonably simple algorithm with a few fiddly little details. While React is implemented somewhat differently, knowing Preact’s internals is still a good first mental model for approaching it.
“Preact in pictures” talk video

The finished diagram

Diagram of the Preact algorithm

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Adam Solove

Adam Solove

Building the web. Everything should be faster.

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