Home > DeveloperSection > Articles > HTML5 Events

HTML5 Events


HTML5 HTML5 
Ratings:
0 Comment(s)
 2056  View(s)
Rate this:

HTML5 Events

HTML 4 added the ability to let events trigger actions in a browser, like starting a JavaScript when a user clicks on an element.

We can write our event handlers in Javascript or vbscript and you can specify these event handlers as a value of event tag attribute. The HTML5 specification defines various event attributes as listed below:

There are following attributes which can be used to trigger any javascript or vbscript code given as value, when there is any event occurs for any HTM5 element.

We would cover element specific events while discussing those elements in detail in subsequent chapters.

Window Event Attributes

Events triggered for the window object (applies to the <body> tag):

Attribute

Value

Description

onafterprint

script

Script to be run after the document is printed

onbeforeprint

script

Script to be run before the document is printed

onbeforeunload

script

Script to be run before the document is unloaded

onerror

script

Script to be run when an error occur

onhaschange

script

Script to be run when the document has changed

onload

script

Fires after the page is finished loading

onmessage

script

Script to be run when the message is triggered

onoffline

script

Script to be run when the document goes offline

ononline

script

Script to be run when the document comes online

onpagehide

script

Script to be run when the window is hidden

onpageshow

script

Script to be run when the window becomes visible

onpopstate

script

Script to be run when the window's history changes

onredo

script

Script to be run when the document performs a redo

onresize

script

Fires when the browser window is resized

onstorage

script

Script to be run when a Web Storage area is updated

onundo

script

Script to be run when the document performs an undo

onunload

script

Fires once a page has unloaded (or the browser window has been closed)

 


Form Events

Events triggered by actions inside a HTML form (applies to almost all HTML5 elements, but is most used in form elements):

Attribute

Value

Description

onblur

script

Fires the moment that the element loses focus

onchange

script

Fires the moment when the value of the element is changed

oncontextmenu

script

Script to be run when a context menu is triggered

onfocus

script

Fires the moment when the element gets focus

onformchange

script

Script to be run when a form changes

onforminput

script

Script to be run when a form gets user input

oninput

script

Script to be run when an element gets user input

oninvalid

script

Script to be run when an element is invalid

onreset

script

Fires when the Reset button in a form is clicked
Not supported in HTML5

onselect

script

Fires after some text has been selected in an element

onsubmit

script

Fires when a form is submitted

 

Keyboard Events

Attribute

Value

Description

onkeydown

script

Fires when a user is pressing a key

onkeypress

script

Fires when a user presses a key

onkeyup

script

Fires when a user releases a key

 

Mouse Events

Events triggered by a mouse or similar user actions:

Attribute

Value

Description

onclick

script

Fires on a mouse click on the element

ondblclick

script

Fires on a mouse double-click on the element

ondrag

script

Script to be run when an element is dragged

ondragend

script

Script to be run at the end of a drag operation

ondragenter

script

Script to be run when an element has been dragged to a valid drop target

ondragleave

script

Script to be run when an element leaves a valid drop target

ondragover

script

Script to be run when an element is being dragged over a valid drop target

ondragstart

script

Script to be run at the start of a drag operation

ondrop

script

Script to be run when dragged element is being dropped

onmousedown

script

Fires when a mouse button is pressed down on an element

onmousemove

script

Fires when the mouse pointer moves over an element

onmouseout

script

Fires when the mouse pointer moves out of an element

onmouseover

script

Fires when the mouse pointer moves over an element

onmouseup

script

Fires when a mouse button is released over an element

onmousewheel

script

Script to be run when the mouse wheel is being rotated

onscroll

script

Script to be run when an element's scrollbar is being scrolled

 

Media Events

Events triggered by Medias like videos, images and audio (applies to all HTML5 elements, but is most common in media elements, like audio, embed, img, object, and video):

Attribute

Value

Description

onabort

script

Script to be run on abort

oncanplay

script

Script to be run when a file is ready to start playing (when it has buffered enough to begin)

oncanplaythrough

script

Script to be run when a file can be played all the way to the end without pausing for buffering

ondurationchange

script

Script to be run when the length of the media changes

onemptied

script

Script to be run when something bad happens and the file is suddenly unavailable (like unexpectedly disconnects)

onended

script

Script to be run when the media has reach the end (a useful event for messages like "thanks for listening")

onerror

script

Script to be run when an error occurs when the file is being loaded

onloadeddata

script

Script to be run when media data is loaded

onloadedmetadata

script

Script to be run when meta data (like dimensions and duration) are loaded

onloadstart

script

Script to be run just as the file begins to load before anything is actually loaded

onpause

script

Script to be run when the media is paused either by the user or programmatically

onplay

script

Script to be run when the media is ready to start playing

onplaying

script

Script to be run when the media actually has started playing

onprogress

script

Script to be run when the browser is in the process of getting the media data

onratechange

script

Script to be run each time the playback rate changes (like when a user switches to a slow motion or fast forward mode)

onreadystatechange

script

Script to be run each time the ready state changes (the ready state tracks the state of the media data)

onseeked

script

Script to be run when the seeking attribute is set to false indicating that seeking has ended

onseeking

script

Script to be run when the seeking attribute is set to true indicating that seeking is active

onstalled

script

Script to be run when the browser is unable to fetch the media data for whatever reason

onsuspend

script

Script to be run when fetching the media data is stopped before it is completely loaded for whatever reason

ontimeupdate

script

Script to be run when the playing position has changed (like when the user fast forwards to a different point in the media)

onvolumechange

script

Script to be run each time the volume is changed which (includes setting the volume to "mute")

onwaiting

script

Script to be run when the media has paused but is expected to resume (like when the media pauses to buffer more data)

 


Don't want to miss updates? Please click the below button!

Follow MindStick