Attribute Value Description
onload script Script to be run when a document load
onunload script Script to be run when a document unload
Form Events
The attributes below can be used in form elements:
Attribute Value Description
onblur script Script to be run when an element loses focus
onchange script Script to be run when an element change
onfocus script Script to be run when an element gets focus
onreset script Script to be run when a form is reset
onselect script Script to be run when an element is selected
onsubmit script Script to be run when a form is submitted
Image Events
The attribute below can be used with the img element:
Attribute Value Description
onabort script Script to be run when loading of an image is interrupted
Keyboard Events
Valid in all elements except base, bdo, br, frame, frameset, head, html, iframe, meta, param, script, style, and title.
Attribute Value Description
onkeydown script Script to be run when a key is pressed
onkeypress script Script to be run when a key is pressed and released
onkeyup script Script to be run when a key is released
Mouse Events
Valid in all elements except base, bdo, br, frame, frameset, head, html, iframe, meta, param, script, style, and title.
Attribute Value Description
onclick script Script to be run on a mouse click
ondblclick script Script to be run on a mouse double-click
onmousedown script Script to be run when mouse button is pressed
onmousemove script Script to be run when mouse pointer moves
onmouseout script Script to be run when mouse pointer moves out of an element
onmouseover script Script to be run when mouse pointer moves over an element
onmouseup script Script to be run when mouse button is released
onload script Script to be run when a document load
onunload script Script to be run when a document unload
Form Events
The attributes below can be used in form elements:
Attribute Value Description
onblur script Script to be run when an element loses focus
onchange script Script to be run when an element change
onfocus script Script to be run when an element gets focus
onreset script Script to be run when a form is reset
onselect script Script to be run when an element is selected
onsubmit script Script to be run when a form is submitted
Image Events
The attribute below can be used with the img element:
Attribute Value Description
onabort script Script to be run when loading of an image is interrupted
Keyboard Events
Valid in all elements except base, bdo, br, frame, frameset, head, html, iframe, meta, param, script, style, and title.
Attribute Value Description
onkeydown script Script to be run when a key is pressed
onkeypress script Script to be run when a key is pressed and released
onkeyup script Script to be run when a key is released
Mouse Events
Valid in all elements except base, bdo, br, frame, frameset, head, html, iframe, meta, param, script, style, and title.
Attribute Value Description
onclick script Script to be run on a mouse click
ondblclick script Script to be run on a mouse double-click
onmousedown script Script to be run when mouse button is pressed
onmousemove script Script to be run when mouse pointer moves
onmouseout script Script to be run when mouse pointer moves out of an element
onmouseover script Script to be run when mouse pointer moves over an element
onmouseup script Script to be run when mouse button is released