jQuery (edge), HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
A simple technique to test if a property can be animated between the values passed.
Demonstration of caretPositionFromPoint. (Falls back on WebKit caretRangeFromPoint.)
Mootools 1.4.5, HTML, CSS, JavaScript
An example of how to create an event that fires when a checkbox is checked, and another when it is unchecked.
jQuery 1.7.1, HTML, CSS, JavaScript
Mootools 1.4.3 (compat), HTML, CSS, JavaScript