stackoverflow discussion: http://stackoverflow.com/questions/4912092/using-html5-canva...
slides from a member of the feedback team: https://www.elliottsprehn.com/preso/fluentconf/
relevant JS library: https://github.com/niklasvh/feedback.js
slides from a member of the feedback team: https://www.elliottsprehn.com/preso/fluentconf/
relevant JS library: https://github.com/niklasvh/feedback.js
The problem however is that the stackoverflow discussion and the relevant JS library uses html2canvas and it generates unuseable screenshots containing more errors than probrably the original screen and therefore does not help on the problem the user has.
Here is a screen of google cloud docs, logo messed up etc. http://i.imgur.com/8Ayy5XL.png