~/talk

Building your own DevTools Console

TalkinRussianat HolyJS 2025 Autumn · 2025-11-20..11-21· [javascript, web-platform]
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slides:none on file

A practical walkthrough of building a JavaScript DevTools Console as a frontend-only SPA, covering developer experience (DX) decisions, use of eval-based execution, and surprises/hardcore implementation details. The talk references ECMAScript specification aspects relevant to console features and warns against attempting to implement a full interpreter.

AI-written summary · about

  1. 0:00Introduction
  2. 1:03Console history
  3. 3:54Eval implementation issues
  4. 8:52Top-level variables problems
  5. 15:24JavaScript interpreter creation
  6. 20:23Side effect flag in interpreter
  7. 24:56Object display and internal slots
  8. 28:31Module support and cyclic dependencies
  9. 34:34Summary
  10. 39:20Console demo with React and TypeScript
  11. 42:30Open source and future plans
  12. 43:13Q&A
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