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Professional JavaScript

Shipping real JavaScript: npm, bundlers, testing, design patterns, security, clean idioms, regular expressions and the road to TypeScript.

Volume 1 · Part VII · 9 chapters · 9 lessons
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What you'll learn

  • The npm Ecosystem & package.json
  • Bundlers & Transpilers (Vite, esbuild, Babel)
  • Testing JavaScript (Jest / Vitest)
  • Design Patterns in JavaScript
  • Defensive Coding & Error Strategies
  • Security in JavaScript (XSS, prototype pollution)
  • Writing Clean, Idiomatic JavaScript
  • TypeScript: Why It Exists
  • Regular Expressions in JavaScript

Curriculum

3 modules · 9 lessons
Module 1Tooling & Build3 lessons
The npm Ecosystem & package.jsonPreview
Bundlers & Transpilers (Vite, esbuild, Babel)
Testing JavaScript (Jest / Vitest)
Module 2Writing Professional Code4 lessons
Design Patterns in JavaScript
Defensive Coding & Error Strategies
Security in JavaScript (XSS, Prototype Pollution)
Writing Clean, Idiomatic JavaScript
Module 3Power Tools & What's Next2 lessons
TypeScript: Why It Exists
Regular Expressions in JavaScript

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