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Module 1.2 — Variables and Data Types

Quarter 1 · Weeks 2 · Environment: console

Lessons in this module

Estimated: ~6 hr 25 min

  1. Slides1.2.1Slides — Variables and Data Types~5 min
  2. Reading1.2.2Reading — Declaring Variables with let and const~10 min
  3. Reading1.2.3Reading — Every Value Has a Type~10 min
  4. Reading1.2.4Reading — Dynamically Typed~10 min
  5. Assignment1.2.5Change the Type~10 min
  6. Reading1.2.6Reading — The number Type~10 min
  7. Reading1.2.7Reading — Arithmetic Operators and Type Coercion~10 min
  8. Reading1.2.8Reading — Infinity, -Infinity and NaN~10 min
  9. Worked Example1.2.9Worked Example — NaN Is Sticky~10 min
  10. Assignment1.2.10Predict the Number~10 min
  11. Reading1.2.11Reading — BigInt~10 min
  12. Reading1.2.12Reading — Strings and the Three Quotes~10 min
  13. Reading1.2.13Reading — Embedding Values with ${...}~10 min
  14. Reading1.2.14Reading — String Methods in Practice~10 min
  15. Assignment1.2.15Greeting with Backticks~10 min
  16. Assignment1.2.16Operators and Expressions Check~30 min
  17. Reading1.2.17Reading — The boolean Type~10 min
  18. Worked Example1.2.18Worked Example — Comparisons Produce Booleans~10 min
  19. Reading1.2.19Reading — The null Value~10 min
  20. Reading1.2.20Reading — The undefined Value~10 min
  21. Assignment1.2.21null vs undefined~15 min
  22. Reading1.2.22Reading — Primitive vs Object~10 min
  23. Reading1.2.23Reading — The typeof Operator~10 min
  24. Worked Example1.2.24Worked Example — The typeof Surprises~10 min
  25. Assignment1.2.25typeof Round-Up~10 min
  26. Assignment1.2.26Variables and Types Check~30 min
  27. Reading1.2.27Reading — The Seven Primitives, Recapped~10 min
  28. Assignment1.2.28Fix Ten Declarations~30 min
  29. Assignment1.2.29Describe a Real Object~30 min
  30. Video1.2.30Video — Every Value Has a Type~5 min
  31. Quiz1.2.31Module 1.2 Quiz~10 min