Q. Consider the below given syntax
book[datatype]=assignment_value;
In the above syntax, the datatype within the square brackets must be

  • (A) An integer
  • (B) A String
  • (C) An object
  • (D) None of the mentioned
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✅ Correct Answer: (B) A String
Explanation: When using square bracket notation, the expression inside the square brackets must evaluate to a sting or a value that can be converted to a string.

Published by Mr. Dubey ⭐ 111.54K Points at 28-Apr-2024 06:50 pm in JavaScript

Explanation by: Mr. Dubey
When using square bracket notation, the expression inside the square brackets must evaluate to a sting or a value that can be converted to a string.

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