JavaScript + CSS animation help

Question

This animation duration is not working. Why not?
I was making something and I got stumped. So I decided to make a little experiment- I can't figure it out Can you guys see if you can do anything about it?

https://code.sololearn.com/W673onOLLkqV/?ref=app

Answer 1

Syntax error: <button "onclick="speed()">Speed/click</button>

Correction: <button onclick="speed()">Speed/click</button>

Answer 2

It works.

Answer 3

gotta watch the typos mang lol..its the most annoying and frustrating part of coding. onr single extra character breaks everything

Answer 4

Calvin, for some reason its still not working after the correction.