observe :: Element

observe(element, eventName, handler[, useCapture = false]) -> HTMLElement Registers an event handler on element and returns element.

This is a simple proxy for Event.observe. Please refer to it for further information.

Example

$(element).observe('click', function(event){

alert(Event.element(event).innerHTML);

});

// -> HTMLElement (and will display an alert dialog containing

// element's innerHTML when element is clicked).

Prototype API 1.5.0 - prototypejs.org