Handling Events JavaScript applications in Navigator are largely event-driven.
Events are actions that occur usually as a result of something the user does.
For example, clicking a button is an event, as is changing a text field or moving the mouse over a link. For your script to react to an event, you define event handlers , such as onChange and onClick. 1.2 Events in the online View Source magazine. In addition, the JavaScript technical notes contain information on programming events. JavaScript supports the events summarized in the following table.