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Multiple ChoiceIntermediate 30s

for...in on Arrays

Choose the best answer for: for...in on arrays
Options
  1. 1for...in iterates the values of the array in insertion order
  2. 2for...in should always be used for arrays instead of for...of
  3. 3for...in iterates enumerable property names (indexes as strings)
  4. 4for...in is the same as for...of and both iterate array values
javascriptintermediate

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