JS处理代码：
var oNewOption;
// Code for dynamically adding options to a select.
function ShowResults(){
// Information about the events
// and what object fired them.
arg = event.type + " fired by " + event.srcElement.id;
oNewOption = new Option();
oNewOption.text = arg;
$id( " oResults " ).add(oNewOption, 0 );
}
function $id(id){
return document.getElementById(id);
}
HTML部分：
<
P
>
Source events are wired up to this text box.
</
P
>
< input ID ="txtDragOrigin" value ="Text to Drag"
ondragstart ="ShowResults()"
ondrag ="ShowResults()"
ondragend ="ShowResults()"
>
< P > Target events are bound to this text box. </ P >
< input ID ="txtDragDestination" value ="Drag Destination"
ondragenter ="ShowResults()"
ondragover ="ShowResults()"
ondragleave ="ShowResults()"
ondrop ="ShowResults()"
>
< br />< br />
< select ID ="oResults" size =30 >
< option > List of Events Fired </ option >
</ select >
< input ID ="txtDragOrigin" value ="Text to Drag"
ondragstart ="ShowResults()"
ondrag ="ShowResults()"
ondragend ="ShowResults()"
>
< P > Target events are bound to this text box. </ P >
< input ID ="txtDragDestination" value ="Drag Destination"
ondragenter ="ShowResults()"
ondragover ="ShowResults()"
ondragleave ="ShowResults()"
ondrop ="ShowResults()"
>
< br />< br />
< select ID ="oResults" size =30 >
< option > List of Events Fired </ option >
</ select >
事件结果：
