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Multiple ChoiceBeginner 30s

Property Access (MCQ)

Choose the best answer for: property access ways
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  1. 1Dot notation works with numbers but not with string keys
  2. 2obj->prop accesses properties with the arrow operator
  3. 3obj.prop and obj['prop'] both access properties
  4. 4obj[prop] is always invalid and throws a TypeError
javascriptbeginner

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