How to Resolve "The Canvas Has Been Tainted by Cross-Origin Data" Error with getImageData()
When working with
One potential reason for this error is that the image source (src) is from a subdomain URL. To resolve this issue, you can attempt to set the crossOrigin property of the image element to "Anonymous":
<code class="javascript">img.crossOrigin = "Anonymous";</code>
However, this solution only works if the remote server responds with the appropriate CORS headers:
Access-Control-Allow-Origin: *
Alternatively, you can consider using the CanvasCaptureStream API to create a stream of frames from a
<code class="javascript">const captureStream = canvas.captureStream();</code>
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