Fixed Mini Feedback Form Widget on the Bottom Corner of a Web Page

Question

On some websites, there are fixed mini contact forms on the bottom corner of a web page. An example website is Olark.

I couldn't find out the name of this kind of form apps.

Does anybody know what they are called and is there any ready made component or tutorial how to implement them?

Note: There is a similar widget question here as well: What is the online survey/feedback widget that looks like "[+]" (a crosshair) in the bottom right

Answer 1

This is simply DOM manipulation using javascript - more often than not using a JavaScript library like jquery or similar.

The HTML containing the form (or whatever content) is hidden until the action element is clicked revealing the hidden content (either immediately or with a transition).

Some examples can be found here:

• http://plugins.jquery.com/project/Contactable-IzzyHelp
• http://plugins.jquery.com/project/tab-slide-out