html2canvas, Screenshots with JavaScript:

html2canvas, Screenshots with JavaScript:
* https://html2canvas.hertzen.com
* More demos: https://html2canvas.hertzen.com/tests/
* https://github.com/niklasvh/html2canvas
* https://www.npmjs.com/package/html2canvas
* How to capture an iframe as an image: https://stackoverflow.com/questions/55389292/how-to-capture-an-iframe-as-an-image