Computer Science and Engineering › Javascript loops MCQ › Question #5065
Single Choice Easy

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

ID: #5065 Javascript loops MCQ 219 views
Question Info
#5065Q ID
EasyDifficulty
Javascript loops MCQTopic
Start Quiz on This Topic
 Your Answer

Choose the Best Option

Click any option to instantly check if you're correct.

  • 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

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.

 Continue Practice
Previous Question Next Question
 Share

Share This Question

Challenge a friend or share with your study group.

 More from This Topic

Related MCQ Questions

What are the three most important manipulations performed on a loop variable in a for loop?... What could the statement debugger in the following JavaScript code be doing? function f(o) { if (o === undefined) debugger; }... What is the purpose of the continue keyword in the following JavaScript code snippet? while (a != 0) { if (a == 1) continue; else a++; }... Which of the following keywords is not a statement?... What could the statement debugger in the following JavaScript code be doing? function f(o) { if (o === undefined) debugger; }... What is the purpose of the continue keyword in the following JavaScript code snippet? while (a != 0) { if (a == 1) continue; else a++; }... One of the unique characteristics of an interpreter in relation to the for loop is that... What happens if the body of a for/in loop deletes an unenumerated property?... When an exception is thrown, what step will the interpreter take?...