{SOLVED!} JavaScript + Html Error - Uncaught TypeError: Cannot set property 'innerHTML' of null Line: 10

Question

I got this in my console:

Uncaught TypeError: Cannot set property 'innerHTML' of null
Line: 10

It won't show text when you run the code even though it is meant to...

Here is the link to it: https://code.sololearn.com/WEn3dncQSUAP/#

Answer 1

https://www.sololearn.com/discuss/1557474/?ref=app

Answer 2

Thank you @Mirielle[Inactive] it helped a lot and now the error has gone.