javascript - How to take a screen shot of a web page?

Question

I want to add a button to one of our web sites that will allow the user to file a bug with our bug tracking system.

One of the feature requests is that a screen cap of the page in question be sent along.

Without installing something on the end users machine, how can I do this? Does javascript have some sort of screen cap api?

Answer 1

You may grab the innerHTML of the page and then process it on the server:

document.getElementsByTagName('html')[0].innerHTML;
// this would also be interactive (i.e. if you've
// modified the DOM, that would be included)