Annotations make possible for users to add comments to the page elements on screenshot. It is easier to understand in such case, what exactly the user means in his message.
Script finds the visible elements on the page and on the basis of CSS properties of each element and HTML5 capabilities designs them creating the page image. Virtually, it makes not a screenshot, but an image being close to the screenshot. At present there is another range of CSS properties, which are not supported by script, so in some cases screenshot can have minor differences from the original.
Screenshot function operates in the browsers supporting HTML5. In other browsers the form will operate omitting the step of creating screenshot. The list of browser versions, in which screenshot must operate.
As a rule, users say “I’ve got an error and nothing works ". Feedback screenshot speaks for the user, gathering for you all necessary data for debugging or understanding the substance of matter or idea.