All HTML Events

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 when the document is about to be unloaded
onerror	script	Script to be run when an error occur
onhashchange	script	Script to be run when there has been changes to the anchor part of the a URL
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 browser starts to work offline
ononline	script	Script to be run when the browser starts to work online
onpagehide	script	Script to be run when a user navigates away from a page
onpageshow	script	Script to be run when a user navigates to a page
onpopstate	script	Script to be run when the window's history changes
onresize	script	Fires when the browser window is resized
onstorage	script	Script to be run when a Web Storage area is updated
onunload	script	Fires once a page has unloaded (or the browser window has been closed)

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Form Events

Events triggered by actions inside a HTML form (applies to almost all HTML 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
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
onsearch	script	Fires when the user writes something in a search field (for <input="search">)
onselect	script	Fires after some text has been selected in an element
onsubmit	script	Fires when a form is submitted

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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

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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 is moving while it is 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	Deprecated. Use the onwheel attribute instead
onscroll	script	Script to be run when an element's scrollbar is being scrolled
onwheel	script	Fires when the mouse wheel rolls up or down over an element

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Clipboard Events

Attribute	Value	Description
oncopy	script	Fires when the user copies the content of an element
oncut	script	Fires when the user cuts the content of an element
onpaste	script	Fires when the user pastes some content in an element

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Media Events

Events triggered by medias like videos, images and audio (applies to all HTML 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
oncuechange	script	Script to be run when the cue changes in a <track> element
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)
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)

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Misc Events

Attribute	Value	Description
onerror	script	Fires when an error occurs while loading an external file
onshow	script	Fires when a <menu> element is shown as a context menu
ontoggle	script	Fires when the user opens or closes the <details> element

HTML & HTML5 Tags

Tags	Description
<!--...-->	Defines a comment
<!DOCTYPE>	Defines the document type
<a>	Defines a hyperlink
<abbr>	Defines an abbreviation or an acronym
<acronym>	Not supported in HTML5. Use <abbr> instead.Defines an acronym
<address>	Defines contact information for the author/owner of a document
<applet>	Not supported in HTML5. Use <object> instead.Defines an embedded applet
<area>	Defines an area inside an image-map
<article>	Defines an article
<aside>	Defines content aside from the page content
<audio>	Defines sound content
<b>	Defines bold text
<base>	Specifies the base URL/target for all relative URLs in a document
<basefont>	Not supported in HTML5. Use CSS instead.Specifies a default color, size, and font for all text in a document
<bdi>	Isolates a part of text that might be formatted in a different direction from other text outside it
<bdo>	Overrides the current text direction
<big>	Not supported in HTML5. Use CSS instead.Defines big text
<blockquote>	Defines a section that is quoted from another source
<body>	Defines the document's body
<br>	Defines a single line break
<button>	Defines a clickable button
<canvas>	Used to draw graphics, on the fly, via scripting (usually JavaScript)
<caption>	Defines a table caption
<center>	Not supported in HTML5. Use CSS instead.Defines centered text
<cite>	Defines the title of a work
<code>	Defines a piece of computer code
<col>	Specifies column properties for each column within a <colgroup> element
<colgroup>	Specifies a group of one or more columns in a table for formatting
<datalist>	Specifies a list of pre-defined options for input controls
<dd>	Defines a description/value of a term in a description list
<del>	Defines text that has been deleted from a document
<details>	Defines additional details that the user can view or hide
<dfn>	Represents the defining instance of a term
<dialog>	Defines a dialog box or window
<dir>	Not supported in HTML5. Use <ul> instead.Defines a directory list
<div>	Defines a section in a document
<dl>	Defines a description list
<dt>	Defines a term/name in a description list
<em>	Defines emphasized text
<embed>	Defines a container for an external (non-HTML) application
<fieldset>	Groups related elements in a form
<figcaption>	Defines a caption for a <figure> element
<figure>	Specifies self-contained content
<font>	Not supported in HTML5. Use CSS instead.Defines font, color, and size for text
<footer>	Defines a footer for a document or section
<form>	Defines an HTML form for user input
<frame>	Not supported in HTML5.Defines a window (a frame) in a frameset
<frameset>	Not supported in HTML5.Defines a set of frames
<h1> to <h6>	Defines HTML headings
<head>	Defines information about the document
<header>	Defines a header for a document or section
<hgroup>	Defines a group of headings
<hr>	Defines a thematic change in the content
<html>	Defines the root of an HTML document
<i>	Defines a part of text in an alternate voice or mood
<iframe>	Defines an inline frame
<img>	Defines an image
<input>	Defines an input control
<ins>	Defines a text that has been inserted into a document
<kbd>	Defines keyboard input
<keygen>	Defines a key-pair generator field (for forms)
<label>	Defines a label for an <input> element
<legend>	Defines a caption for a <fieldset> element
<li>	Defines a list item
<link>	Defines the relationship between a document and an external resource (most used to link to style sheets)
<main>	Specifies the main content of a document
<map>	Defines a client-side image-map
<mark>	Defines marked/highlighted text
<menu>	Defines a list/menu of commands
<menuitem>	Defines a command/menu item that the user can invoke from a popup menu
<meta>	Defines metadata about an HTML document
<meter>	Defines a scalar measurement within a known range (a gauge)
<nav>	Defines navigation links
<noframes>	Not supported in HTML5.Defines an alternate content for users that do not support frames
<noscript>	Defines an alternate content for users that do not support client-side scripts
<object>	Defines an embedded object
<ol>	Defines an ordered list
<optgroup>	Defines a group of related options in a drop-down list
<option>	Defines an option in a drop-down list
<output>	Defines the result of a calculation
<p>	Defines a paragraph
<param>	Defines a parameter for an object
<pre>	Defines preformatted text
<progress>	Represents the progress of a task
<q>	Defines a short quotation
<rp>	Defines what to show in browsers that do not support ruby annotations
<rt>	Defines an explanation/pronunciation of characters (for East Asian typography)
<ruby>	Defines a ruby annotation (for East Asian typography)
<s>	Defines text that is no longer correct
<samp>	Defines sample output from a computer program
<script>	Defines a client-side script
<section>	Defines a section in a document
<select>	Defines a drop-down list
<small>	Defines smaller text
<source>	Defines multiple media resources for media elements (<video> and <audio>)
<span>	Defines a section in a document
<strike>	Not supported in HTML5. Use <del> instead.Defines strikethrough text
<strong>	Defines important text
<style>	Defines style information for a document
<sub>	Defines subscripted text
<summary>	Defines a visible heading for a <details> element
<sup>	Defines superscripted text
<table>	Defines a table
<tbody>	Groups the body content in a table
<td>	Defines a cell in a table
<textarea>	Defines a multiline input control (text area)
<tfoot>	Groups the footer content in a table
<th>	Defines a header cell in a table
<thead>	Groups the header content in a table
<time>	Defines a date/time
<title>	Defines a title for the document
<tr>	Defines a row in a table
<track>	Defines text tracks for media elements (<video> and <audio>)
<tt>	Not supported in HTML5. Use CSS instead.Defines teletype text
<u>	Defines text that should be stylistically different from normal text
<ul>	Defines an unordered list
<var>	Defines a variable
<video>	Defines a video or movie
<wbr>	Defines a possible line-break