onabort

Triggered when an image, audio, or video is aborted while loading.

onafterprint

Fired after the user prints a page.

onbeforeprint

Fired before the user prints a page.

onbeforeunload

Fired before the user navigates away from the page.

onblur

Fired when an element loses focus.

oncanplay

Fired when media can start playing.

oncanplaythrough

Fired when media can be played through without stopping for buffering.

onchange

Fired when the value of an input element is changed.

onclick

Fired when an element is clicked.

oncontextmenu

Fired when the user right-clicks on an element to open the context menu.

oncopy

Fired when the user copies content from an element.

oncut

Fired when the user cuts content from an element.

ondblclick

Fired when an element is double-clicked.

ondrag

Fired when an element is dragged.

ondragend

Fired at the end of a drag operation.

ondragenter

Fired when a dragged element enters a drop target.

ondragleave

Fired when a dragged element leaves a drop target.

ondragover

Fired when an element is being dragged over a drop target.

ondragstart

Fired when the user starts dragging an element.

ondrop

Fired when a dragged element is dropped on a drop target.

ondurationchange

Fired when the duration of media is changed.

onended

Fired when media has reached the end.

onerror

Fired when an error occurs while loading an external resource.

onfocus

Fired when an element receives focus.

onhashchange

Fired when the URL hash (fragment identifier) changes.

oninput

Fired when the value of an input element is changed (including keyboard input).

oninvalid

Fired when a form element is invalid.

onkeydown

Fired when a key is pressed down.

onkeypress

Fired when a key is pressed and released.

onkeyup

Fired when a key is released.

onload

Fired when an external resource (e.g., image, script, style) finishes loading.

onloadeddata

Fired when media data is loaded.

onloadedmetadata

Fired when metadata for media (e.g., duration) is loaded.

onloadstart

Fired when the browser starts to load an external resource.

onmousedown

Fired when a mouse button is pressed down over an element.

onmouseenter

Fired when the mouse pointer enters an element.

onmouseleave

Fired when the mouse pointer leaves an element.

onmousemove

Fired when the mouse pointer is moved over an element.

onmouseout

Fired when the mouse pointer leaves an element.

onmouseover

Fired when the mouse pointer is moved onto an element.

onmouseup

Fired when a mouse button is released over an element.

onmousewheel

Fired when the mouse wheel is rotated (deprecated; use 'onwheel' instead).

onoffline

Fired when the browser is offline.

ononline

Fired when the browser is online.

onpagehide

Fired when the user navigates away from a page.

onpageshow

Fired when the user navigates to a page.

onpaste

Fired when the user pastes content into an element.

onpause

Fired when media playback is paused.

onplay

Fired when media playback is started or resumed.

onplaying

Fired when media playback starts after a delay.

onpopstate

Fired when the user navigates backward or forward through the history.

onprogress

Fired periodically as media loads.

onratechange

Fired when the playback rate of media is changed.

onresize

Fired when the browser window or an element is resized.

onscroll

Fired when an element's scrollbar is scrolled.

onsearch

Fired when the user submits a search in a search input field.

onseeked

Fired when media seeking is completed.

onseeking

Fired when media seeking is started.

onselect

Fired when the user selects text in an element.

onshow

Fired when a 'details' element is shown.

onstalled

Fired when media playback is stalled due to buffering.

onsubmit

Fired when a form is submitted.

onsuspend

Fired when media data loading is suspended.

ontimeupdate

Fired when the playback position of media is changed.

ontoggle

Fired when the user opens or closes a 'details' element.

ontouchcancel

Fired when a touch event is interrupted or canceled.

ontouchend

Fired when a touch point is removed from the touch surface.

ontouchmove

Fired when a touch point is moved along the touch surface.

ontouchstart

Fired when a touch point is placed on the touch surface.

onunload

Fired when the user navigates away from a page.

onvolumechange

Fired when the volume of media is changed.