Unobtrusive JavaScript is an increasingly popular style for working with JavaScript, particularly when it comes to defining event handlers. Prototype makes it easier to work with events than with raw ...

A frame’s event handlers (onLoad, onUnload, onFocus and onBlur) can make your program wait until some critical event takes place in a frame, before executing an event.

Event handlers are methods that listen for these messages and respond to the them. Essentially, an event handler is a method that determines which method to execute after the event occurs. SCL ...