THE CANVAS HAS BEEN TAINTED BY CROSS

This fiddle demonstrates how to circumvent the error message "VM101:61 Uncaught SecurityError: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported." that occurs in Chrome. By adding crossOrigin="Anonymous" to the tag the image data from the canvas can be downloaded.Related Stackoverflow questions:http://stackoverflow.com/questions/22710627/tainted-canvases-may-not-be-exported http://stackoverflow.com/questions/9972049/cross-origin-data-in-html5-canvas

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