Any suggestion to a Javascript 2d platform game?

Hi everyone, i’m new to javascript and this forum too.
I wanted to ask you any suggestion on where i should begin to learn to create a very simple 2d platform game (with HTML5 canvas and Javascript)

Thanks for every answer and sorry for bad english

I would start with:
The Coding Train
Who uses this:

It is how I first learnt JavaScript.

Okay, thanks! I Will start with this