Several Methods for binding Javascript events

There are four main methods to bind Javascript events (which run normally in IE but not in other browsers): [Note: onXXX is an event and fun is a function, domId is the id of a DOM object. For the event type, see the appendix below.] 1. Use onXXX & quot; fun (); & quot; directly in the DOM... there are four main methods to bind Javascript events (the following operations are normal in IE, but other browsers are not guaranteed ):
[Note: onXXX is an event, fun is a function, and domId is a DOM object id. For the event type, see the appendix below.]
1. In DOM, bind with onXXX = "fun ();" directly
2. Bind DOM object. onXXX = fun in Javascript code
3. bind with DOM object. attachEvent ("onXXX", fun)
4. Use