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QWhat does the join() function do in JavaScript?

ID: #4873 Javascript Functions MCQ 224 views
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#4873Q ID
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Javascript Functions MCQTopic
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  • A Joins the elements of an array into a string ✔ ✖
  • B Splits a string into an array of substrings ✔ ✖
  • C Removes whitespace from a string ✔ ✖
  • D none of these ✔ ✖
Correct Answer

Explanation

The join() function joins the elements of an array into a string.
It takes an optional separator as an argument, which is used to separate the elements in the resulting string.
If no separator is provided, the elements are joined with a comma.

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