Default JavaScript Event Handlers

A read-only list of the existing JavaScript event handlers.

Custom JavaScript Event Handlers

To add the first event handler, type the definition. To add
another event handler, click Add and then type the definition. To
delete an event handler, put the cursor in the event handler and
click Delete. To override an existing event handler, for example, onchange=”{this.bChanged = true;}”,
type the new event handler, for example, onchange=”{this.bChanged = false;}”.