JavaScript Event Reference Manual:
This event occurs when the following conditions occur
onabort image load is interrupted
onblur element loses focus
onchange User changes the contents of a domain
onclick Mouse click on an object
ondblclick Mouse Double-click an object
onerror An error occurred while loading a document or image
onfocus Element gets focus
onkeydown Key of a keyboard is pressed
onkeypress The key of a keyboard is pressed or held down
onkeyup Key of a keyboard is released
onload a page or image is finished loading
onmousedown A mouse button is pressed
onmousemove Mouse is moved
onmouseout mouse away from an element
onmouseover Mouse is moved to an element
onmouseup a mouse button is released
onreset reset button is clicked
onresize diagram or frame is resized
onselect Text is selected
onsubmit submit button is clicked
onunload User Exit page click
Specific reference links: http://www.w3school.com.cn/jsref/jsref_events.asp
JavaScript: Basic Handling Events