Native JavaScript Modules: import {Browsers, Node.js}; export {production};
summary
Claims that modern browsers already support ES modules and Node.js is next with experimental .mjs and package field support and shows concrete demos: real-source debugging of modules, a 640-file parallel-load demo that runs ~1s versus ~200ms for one bundle (≈5× slower today), and type="module" behavior (deferred, strict, ordered execution). Shows dynamic import (promise-based) for runtime code-splitting, link rel="modulepreload" to reduce idle CPU time, and notes Node still requires experimental flags while browsers already execute modules successfully.
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chapters (8)
- 0:00Start
- 1:27Why we need modularity ?
- 1:45First attempt: external JS files
- 10:02Table of module systems comparison
- 11:09Native ESM advantages
- 12:48Native ES Modules DEMO
- 40:207. Performance
- 42:44Unit Testing
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