events 

attributes for common UI events
onclick     a pointer button was clicked
ondblclick  a pointer button was double clicked
onmousedown a pointer button was pressed down
onmouseup   a pointer button was released
onmousemove a pointer was moved onto the element
onmouseout  a pointer was moved away from the element
onkeypress  a key was pressed and released
onkeydown   a key was pressed down
onkeyup     a key was released

Attribute Group Information

Attributes

QName Type Fixed Default Use Inheritable Annotation
onclick Script optional
ondblclick Script optional
onkeydown Script optional
onkeypress Script optional
onkeyup Script optional
onmousedown Script optional
onmousemove Script optional
onmouseout Script optional
onmouseover Script optional
onmouseup Script optional

Used By

Attribute Group attrs
Elements bdo, map

Source 

<xs:attributeGroup name="events">
  <xs:annotation>
    <xs:documentation>attributes for common UI events onclick a pointer button was clicked ondblclick a pointer button was double clicked onmousedown a pointer button was pressed down onmouseup a pointer button was released onmousemove a pointer was moved onto the element onmouseout a pointer was moved away from the element onkeypress a key was pressed and released onkeydown a key was pressed down onkeyup a key was released</xs:documentation>
  </xs:annotation>
  <xs:attribute name="onclick" type="Script"/>
  <xs:attribute name="ondblclick" type="Script"/>
  <xs:attribute name="onmousedown" type="Script"/>
  <xs:attribute name="onmouseup" type="Script"/>
  <xs:attribute name="onmouseover" type="Script"/>
  <xs:attribute name="onmousemove" type="Script"/>
  <xs:attribute name="onmouseout" type="Script"/>
  <xs:attribute name="onkeypress" type="Script"/>
  <xs:attribute name="onkeydown" type="Script"/>
  <xs:attribute name="onkeyup" type="Script"/>
</xs:attributeGroup>