A Bookmarklet is a small piece of javascript code that can be saved in a Bookmark in various Browsers. The saved bookmarklet can then be executed at any time by clicking on the the Bookmark. The result of the action causes the code to be executed. Bookmarklets are used to handle repeat functions on a web-page and are designed to be time saving devices.
The Bookmarklet after being clicked. Selected all the checkboxes on the current webpage. Thereby, saving the user numerous mouse clicks.
by Pistol Pete of Spockholm March 15, 2011