Q: What does the `substring()` function do in JavaScript?

A Extracts a part of a string
B Replaces a part of a string with a new string
C Concatenates two strings
D None of these

Share this MCQ

Answer: A

Explanation:

The substring() function extracts a part of a string and returns a new string.
It takes two arguments: the start index and the end index (optional).
The extracted part includes the characters from the start index to the end index (not including the character at the end index).

Javascript Functions MCQ

Share Above MCQ

‹ Previous Next ›

Write your comment

Learn More MCQ Questions from JavaScript MCQ Javascript Functions MCQ

Q: What does the substring() function do in JavaScript?

Report Question

Q: What does the `substring()` function do in JavaScript?