Disclaimer: May not work on chromebook (test by typing javascript:alert("It works!") into the search bar, if there is an alert then you can use the hacks.)

1: Go to https://gimkit.com/
2: Type javascript: then paste exploit.js or exploit-auto.js in the URL bar and hit enter.
3: Answer a question (correctly).
4: Press ; to save the question.
5: Press u to get money.

(Thank you to Wireless Hardware for making the video)

https://www.youtube.com/watch?v=oqQcnkukvCQ

(JOSH NOT ALLOWED)