Why won't it recognise "getContext" ?

Question

https://code.sololearn.com/W3oXrwZxWWmN/?ref=app

Answer 1

JS is case sensitive... modify the two lines:

can.width = window.innerWidth;
can.height = window.innerHeight;

works fine!

Answer 2

https://code.sololearn.com/WKgnzz4I12yZ/?ref=app

I don't know 😐