Here's a straightforward example. https://stackoverflow.com/questions/2390232/why-does-canvas-todataurl-throw-a-security-exception?noredirect=1&lq=1 https://sta

Here's a straightforward example. https://stackoverflow.com/questions/2390232/why-does-canvas-todataurl-throw-a-security-exception?noredirect=1&lq=1 https://stackoverflow.com/questions/2390232/why-does-canvas-...