MCQ Practice Single Best Answer Topic: Javascript loops MCQ

Q What happens if the for/in loop body deletes a property that has not yet been enumerated?

Question ID

#5065

Subchapter

Javascript loops MCQ

Action

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A The property will be stored in a cache ✔ ✖
B The loop will not run ✔ ✖
C That property will not be enumerated ✔ ✖
D The property will be enumerated ✔ ✖

Correct Answer: C

Explanation

If the body of a for/in loop removes a property that has not yet been enumerated, that property will not be included in the loop.
Additionally, if the body of the loop adds new properties to the object, those properties will typically not be enumerated.

Q What happens if the for/in loop body deletes a property that has not yet been enumerated?

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Explanation

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