Javascript/jQuery: remove shape/path from canvas

Question

I can\'t seem to find the function to remove a shape or path from the canvas after it has been created.

So I\'m creating a bezier curve between 2 points with

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Answer 1

Try this:

ctx.save();
ctx.globalCompositeOperation = "destination-out";
// drawing here you path second time
ctx.restore();

"The globalCompositeOperation attribute sets how shapes and images are drawn onto the scratch bitmap" specs

How it works you can see here.