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QWhat does the substring() function do in JavaScript?

ID: #4870 Javascript Functions MCQ 203 views
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#4870Q ID
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Javascript Functions MCQTopic
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  • 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 ✔ ✖
Correct Answer: Option 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).

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