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Syntax - Tasty Web Development Treats

875: JavaScript Signals Explained

Feb 10, 2025 · 16 min
0:00-16:26

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JavaScript is missing a built-in way to make variables reactive—but Signals might change that. Scott and Wes break down what Signals are, how they compare to React state, and how different frameworks like Preact, Solid, Vue, and Qwik are already using them.

Show Notes
  • 00:00 Welcome to Syntax!
  • 01:49 Brought to you by Sentry.io.
  • 02:28 Why JavaScript needs reactive variables.
  • 03:16 What exactly are signals?
  • 04:02 Understanding computed state.
  • 04:59 How signals differ from React state.
  • 06:12 How different frameworks handle reactivity.
  • 07:09 DOM Parts.
  • 07:26 HTML Template Instantiation.
  • 09:10 Comparing signals across frameworks: Preact, Solid.js, Vue, and more.
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