Uncaught DOMException: Failed to execute ‘toDataURL’ on ‘HTMLCanvasElement’: Tainted canvases may not be exported.

文章索引

一、问题

canvas.toDataURL()报错如下：

Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported

1	Uncaught DOMException: Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported

图片设置：crossOrigin属性
代码片段：img.setAttribute("crossOrigin",'Anonymous')