Event Maps
An event map is an object where the properties specify a set of events to handle, and the values are the handlers for those events. The property can be in one of several forms:
eventtype Matches a particular type of event, such as 'click'. eventtype selector Matches a particular type of event, but only when it appears on an element that matches a certain CSS selector. event1, event2 To handle more than one type of event with the same function, use a comma-separated list.
The hand