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Module 12

Arrays & Objects

Work with collections of data — the backbone of every real JavaScript application.

📚 5 Lessons
🎯 Intermediate
⏱ ~4 hours
Prerequisite Complete Module 11 — Events first.

📋 What You Will Learn

  • Arrays — creating, accessing, and modifying lists of data
  • Array methods: map, filter, reduce, forEach, find, includes
  • Objects — key-value pairs for structured data
  • Object methods and the this keyword
  • JSON — JavaScript Object Notation for data exchange

📖 Lessons

  1. 1ArraysReady
  2. 2Array MethodsReady
  3. 3ObjectsReady
  4. 4Object MethodsReady
  5. 5JSONReady
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