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Multiple ChoiceIntermediate 30s

Immutability

Choose the best answer for: immutable data patterns
Options
  1. 1Immutability requires an external library and is not built in
  2. 2Immutability is impossible to achieve in JavaScript entirely
  3. 3Object.freeze and spread operators help create immutable updates
  4. 4Immutability means never using variables in your program

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