Unlimited questions, preferable from an external file.
one question every time ([url removed, login to view]) if possible with 4 answers below in buttons.
When the correct answer button is pressed the answer should be highlighted, if the correct is pressed then the wrong answer is red and correct is green.
next, back buttons on the bottom along with start over and maybe a cheat mode button.
Important: only JS please. No CSS needed as I have my own. Thanks
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