What You'll Learn

Optional chaining (?.) and nullish coalescing (??) are modern JavaScript operators that make working with potentially null or undefined values safer and cleaner.

Learning Objectives

  • Use optional chaining (?.) for safe property access
  • Apply nullish coalescing (??) for default values
  • Chain optional calls and array access
  • Combine with destructuring and other operators
  • Avoid common pitfalls and anti-patterns
Difficulty: Beginner
Duration: 8 minutes
Prerequisites: JavaScript basics, objects

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Start learning optional chaining and nullish coalescing