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Global Event Attributes

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The event attributes listed below are standard, and are supported by most HTML and XHTML tags. HTML 4 added the ability to let events trigger actions in a browser, like starting JavaScript when a user clicks on an element.


Content Events Edit

Only used in <body> and <frameset> elements.

Attribute Value Description
onload script Script to be run when a document loads.
onunload script Script to be run when a document unloads.

Form Events Edit

Only 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 changes.
onfocus script Script to be run when an element gets focused.
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 Edit

Only used in <img /> elements.

Attribute Value Description
onabort script Script to be run when loading of an image is interrupted.

Keyboard Events Edit

Useless in <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 Edit

Useless in <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-clicked.
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.

See AlsoEdit

Global HTML Attributes

External LinksEdit

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