Js test question not understood

Question

Here is the question i found in js challenge
What is the output
alert(typeof Infinity);
Answer is number
My answer was undefined and it was wrong.
Anyone else think it should be undefined not the number.

Answer 1

Kunal Thakur There are related comments in the question page.
You can see them if you have any problem 😊😊

Answer 2

Mohammad Amir Aqeel i didn't find any comments section 🤔