To allow cross-origin use of images and canvases, the server must include the appropriate CORS (Cross-Origin Resource Sharing) headers in its HTTP response. These headers can be set to allow specific sources or methods, or to allow any source to access the resource.
An HTML5 Canvas is a rectangular area on a web page that is controlled by JavaScript code. Anything can be drawn on the canvas, including images, shapes, text, and animations. The canvas is a great tool for creating games, graphics , and web applications.
The way to allow the use of images and canvases across domains is to add the following to the header −
This will allow all image and canvas elements to be used across origins.
The Chinese translation ofBelow is a complete working example demonstrating how to allow the use of images and canvases across domains. To run it, just open the HTML file in your web browser.
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