What is the output of typeof null in JavaScript?Options"null""undefined""string""object"

To determine the output of typeof null in JavaScript, we need to analyze how the typeof operator works.

1. Break Down the Problem

   • We are using the typeof operator on the value null.
   • We have to interpret the output based on the provided options.

2. Relevant Concepts

   • The typeof operator in JavaScript returns a string indicating the type of the unevaluated operand.
   • According to the ECMAScript specification, null is considered an object.

3. Analysis and Detail

   • When we use typeof null, despite null being a primitive value representing the absence of any object value, the result returned by typeof is erroneous in that it returns "object".
   • This is a widely recognized behavior in JavaScript and is considered a JavaScript peculiarity.

4. Verify and Summarize

   • To verify, we can run the command console.log(typeof null) in a JavaScript environment, and we will see that the output is indeed "object".
   • Therefore, the correct answer from the provided options is "object".

Final Answer

The output of typeof null in JavaScript is "object".