What does the 'typeof' operator in JavaScript do?

Question: What does the "typeof" operator in JavaScript do?

Answer: The "typeof" operator in JavaScript returns a string indicating the type of a variable or expression.
Example 1:
const num = 42;
Example 2:
const name = "John";

Example 3:
const isTrue = true;

In each example, the "typeof" operator helps determine the type of the variable or value being used.