How to draw in JavaScript?

Question

JavaScript

Tell me please.
How to implement the following in JavaScript:
1. Loading an image in jpeg format.
2. Drawing graphs and charts on this image.
3. Saving the modified image to disk.
Maybe someone will push or tell where this issue was fully or partially covered.
Thank you in advance.
Sincerely, luckygambler.

Answer 1

<canvas>from HTML5.

Answer 2

Here is a good guide to the Canvas API
https://developer.mozilla.org/en/docs/Web/API/Canv...