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js canvas captcha

https://thejackalofjavascript.com/building-a-captcha-using-html5-canvas/

https://arvindr21.github.io/captcha/

https://arvindr21.github.io/captcha/catpcha.js

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https://github.com/zxdong262/canvas-captcha

https://www.npmjs.com/package/canvas
https://github.com/Automattic/node-canvas
https://www.cairographics.org/

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https://www.wikihow.com/View-Your-DirectX-Information