Are there any kind people with advanced knowledge in canvas?

Question

Canvas

Hello, I need to make an animation of an electrocardiogram, I have a code on the hands of the graph, I already asked a question, you can see the code. I completed the project by 95%, everything is fine, but I don’t want to let the customer down, an extremely adequate person. Could you help please?

PS I analyzed the code, but I don’t know many subtleties in canvas
P.SS I tried to write it myself and googled it, in vain.

Answer 1

I googled for you: there was an ECG contest and there are different versions in the answers, choose which one you like.)
For example: