![javascript - why there is a big different time consuming when canvas function getImageData excute in different situation - Stack Overflow javascript - why there is a big different time consuming when canvas function getImageData excute in different situation - Stack Overflow](https://i.stack.imgur.com/qbopC.png)
javascript - why there is a big different time consuming when canvas function getImageData excute in different situation - Stack Overflow
![DOMException: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data. · Issue #26 · usnistgov/OpenSeadragonFiltering · GitHub DOMException: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data. · Issue #26 · usnistgov/OpenSeadragonFiltering · GitHub](https://user-images.githubusercontent.com/48003861/153317924-3a438717-9397-4b9c-921d-2128101762ab.png)
DOMException: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data. · Issue #26 · usnistgov/OpenSeadragonFiltering · GitHub
![Uncaught SecurityError: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data. - Phaser 2 - HTML5 Game Devs Forum Uncaught SecurityError: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data. - Phaser 2 - HTML5 Game Devs Forum](https://www.html5gamedevs.com/uploads/monthly_11_2014/post-8632-0-71950600-1416539453_thumb.png)
Uncaught SecurityError: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data. - Phaser 2 - HTML5 Game Devs Forum
![javascript - getImageData() returns wrong data when panning/zooming canvas (Physical mobile device issue only) - Stack Overflow javascript - getImageData() returns wrong data when panning/zooming canvas (Physical mobile device issue only) - Stack Overflow](https://i.stack.imgur.com/bwe7X.jpg)
javascript - getImageData() returns wrong data when panning/zooming canvas (Physical mobile device issue only) - Stack Overflow
![Explain how to solve the cross-domain problem of canvas image getImageData, toDataURL | Develop Paper Explain how to solve the cross-domain problem of canvas image getImageData, toDataURL | Develop Paper](https://imgs.developpaper.com/imgs/2018917154004297.png)