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Multiple ChoiceIntermediate 30s

Computed Property Names

Choose the best answer for: computed property keys
Options
  1. 1Computed keys accept only literal strings, never exprs
  2. 2{[expr]: value} evaluates expr as the key name
  3. 3Computed keys use an @ prefix before the key name
  4. 4Computed keys require a Symbol, not plain strings

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