Mwenaro
Arena
Home
Challenges
Leaderboard
Practice
Home
Challenges
Leaderboard
Practice
Home
Coding challenges
Type Checker
easy
+5 XP
ALGORITHM
Type Checker
Write a function that returns the type of any value (array, null, undefined, etc).
Instructions
You're exploring as a guest. Create a free account to save progress and submit solutions.
Sign up
Log in
main.js
Ctrl+Enter run ยท Ctrl+Shift+Enter submit
Hide Console
Run Tests
Submit
Loading...
Console Output
Run your code to see the output here...