Question: HTML , Javascript Canvas problem: could you pleaseeee help me to do these things- suppose, user draw a picture, then that picture(lines on Canvas) will

HTML , Javascript Canvas problem:

could you pleaseeee help me to do these things- suppose, user draw a picture, then that picture(lines on Canvas) will be saved as commands, so when the user will refresh the webpage or when I will execute the code, then when I will press the "load" button, the last picture which I made will come on the canvas from localStorage.

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