The uncompressed source file contains the complete documentation.
Demo: click the button
Clicking the button below will change its state to "confirm mode". If it is clicked
while in confirm mode then the associated action is confirmed, otherwise it harmlessly times out.
The following SPAN works similarly to the above button, except that it is a SPAN element:
Clicking the following button will trigger its deletion UNLESS you cancel it via
confirmation (clicking it a second time).