This is a quick reference list of HTML events that can be used to trigger JavaScript functions and run them on the page.

• HTML – oncopy Event
  The oncopy event fires when the user copies the contents of an element or an image to their clipboard.
• HTML – oncut Event
  The oncut event fires when the user cuts the contents of an element or an image to their clipboard.
• HTML – onpaste Event
  The onpaste event fires when the user pastes content from their clipboard into an HTML element.

• HTML – onscroll Event
  The onscroll event fires when an element containing a scrollbar is being scrolled by the user.
• HTML – ondrop Event
  The ondrop event fires when a draggable element or text selection is dropped on a valid drop target via drag and drop.
• HTML – ondragstart Event
  The ondragstart event fires when the user starts to drag an element or text selection via drag and drop.
• HTML – ondragover Event
  The ondragover event fires when a draggable element or text selection is being dragged over a valid drop target via drag and drop.
• HTML – ondragleave Event
  The ondragleave event fires when a draggable element or text selection leaves a valid drop target where it can be dropped via drag and drop.
• HTML – ondragenter Event
  The ondragenter event fires when a draggable element or text selection enters a valid target where it can be dropped via drag and drop.
• HTML – ondragend Event
  The ondragend event fires when the user has finished dragging an element or text selection via drag and drop.
• HTML – ondrag Event
  The ondrag event fires when an element or text selection is being dragged via drag and drop.

• HTML – onfocusout Event
  The onfocusout event fires when a form field is about to lose focus as the user clicks out of it. The onfocusout event is the opposite of the onfocusin event.
• HTML – onfocusin Event
  The onfocusin event fires when a form field is about to gain focus as the user clicks into it. The onfocusin event is the opposite of the onfocusout event.
• HTML – onsubmit Event
  The onsubmit event fires when the user submits the form by clicking the submit button.
• HTML – onselect Event
  The onselect event fires after text has been selected in an HTML <input> or <textarea> element.
• HTML – onsearch Event
  The onsearch event fires when a user presses the “enter” key or clicks the “x” button in an <input> element with type=”search”.
• HTML – onreset Event
  The onreset event fires when the user resets the form by clicking the reset button.
• HTML – oninvalid Event
  The oninvalid event fires when an <input> element is invalid (e.g., if the required attribute is set and the field is empty).
• HTML – oninput Event
  The oninput event fires when the value of an HTML <input> or <textarea> element is first input or is changed.
• HTML – oncontextmenu Event
  The oncontextmenu event fires when the user right-clicks on an element to open the context menu.
• HTML – onchange Event
  The onchange event fires when the value of the element is changed by the user and the element loses focus.
• HTML – onfocus Event
  The onfocus event fires when a form field gains focus when as user clicks into it. The onfocus event is the opposite of the onblur event.
• HTML – onblur Event
  The onblur event fires when a form field loses focus, and is often used with form validation. The onblur event is the opposite of the onfocus event.

• HTML – onkeypress Event
  The onkeypress event fires when the user presses a key on the keyboard, but is not fired for all keys (e.g. ALT, CTRL, SHIFT, ESC).
• HTML – onkeyup Event
  The onkeyup event fires when the user releases a key on the keyboard.
• HTML – onkeydown Event
  The onkeydown event fires when the user presses a key on the keyboard.

• HTML – onabort Event
  The onabort event fires when the loading of an audio/video file is aborted, but not due to error.
• HTML – onwaiting Event
  The onwaiting event fires when the video stops because the next frame needs to buffer.
• HTML – onvolumechange Event
  The onvolumechange event fires each time the volume of the video/audio has been changed by increasing/decreasing it or by muting/unmuting it.
• HTML – ontimeupdate Event
  The ontimeupdate event fires when the playing position of the audio/video has changed.
• HTML – onsuspend Event
  The onsuspend event fires when loading of the media is suspended or prevented from continuing.
• HTML – onstalled Event
  The onstalled event fires when the browser is trying to get media data, but the data is not available.
• HTML – onseeking Event
  The onseeking event fires when the user starts to move or skip to a new position in the audio/video.
• HTML – onseeked Event
  The onseeked event fires when the user is finished moving or skipping to a new position in the track.
• HTML – onratechange Event
  The onratechange event fires when the playing speed of the audio/video has changed (to a slow motion or fast forward mode).
• HTML – onprogress Event
  The onprogress event fires when the browser is downloading the requested audio/video file.
• HTML – onplaying Event
  The onplaying event fires when the audio/video is playing after having been manually/programmatically paused or had stopped to buffer.
• HTML – onplay Event
  The onplay event fires when the audio/video has been started or is no longer being paused.
• HTML – onpause Event
  The onpause event fires when the audio/video is paused either by the user or a script.
• HTML – onloadstart Event
  The onloadstart event fires when the browser starts looking for the specified audio/video.
• HTML – onloadedmetadata Event
  The onloadedmetadata event fires when meta data for the specified audio/video has finished loading.
• HTML – onloadeddata Event
  The onloadeddata event fires when data for the current frame is loaded, but not enough data to play the next frame.
• HTML – onended Event
  The onended event fires when the audio/video has reached the end.
• HTML – onemptied Event
  The onemptied event fires when the media encounters some fatal error, the file becomes unavailable, or the media playlist is empty.
• HTML – ondurationchange Event
  The ondurationchange event fires when the duration of the audio/video is changed.
• HTML – oncuechange Event
  The oncuechange event defines a script to run when the cue changes in a track element.
• HTML – oncanplaythrough Event
  The oncanplaythrough event fires when the browser estimates it can play through the specified media without having to stop for buffering.
• HTML – oncanplay Event
  The oncanplay event fires when the video has buffered enough for the browser to start playing the specified audio/video.
• HTML – onerror Event
  The onerror event fires when an error occurs while loading an external file like an <img>, <object>, <link>, or <script>.

• HTML – onmouseleave Event
  The onmouseleave event fires when the user moves the cursor out of an HTML element.
• HTML – onmouseenter Event
  The onmouseenter event fires when the user moves the cursor into an HTML element.
• HTML – ontoggle Event
  The ontoggle event fires when the user opens or closes the <details> element.
• HTML – onwheel Event
  The onwheel event fires when the wheel of a pointing device is rolled up/down over an element, or the user scrolls/zooms on an element with a touchpad.
• HTML – onmouseover Event
  The onmouseover event fires when the user moves the cursor from outside to over an HTML element.
• HTML – onmouseout Event
  The onmouseout event fires when the user moves the cursor from inside to outside an HTML element.
• HTML – onmousemove Event
  The onmousemove event fires when the user moves the cursor while over an HTML element.
• HTML – onmouseup Event
  The onmouseup event fires when the user releases the mouse button while over an HTML element.
• HTML – onmousedown Event
  The onmousedown event fires when the user presses down the mouse button while over an HTML element.
• HTML – ondblclick Event
  The ondblclick event fires when a user double clicks their mouse while on an HTML element.
• HTML – onclick Event
  The onclick event fires when a user clicks their mouse while on an HTML element.

• HTML – ontouchstart Event
  The ontouchstart event fires when the user touches an element.
• HTML – ontouchmove Event
  The ontouchmove event fires when the user moves their finger on the screen.
• HTML – ontouchend Event
  The ontouchend event fires when the user removes their finger from an element.
• HTML – ontouchcancel Event
  The ontouchcancel event fires when the touch event on a touch screen gets interrupted.

• HTML – onunload Event
  The onunload event fires when the user navigates away from the page by clicking a link, submitting a form, closing the browser window, etc.
• HTML – onstorage Event
  The onstorage event fires when the browser window storage area has been changed.
• HTML – onresize Event
  The onresize event fires when the browser window is resized.
• HTML – onpopstate Event
  The onpopstate event fires when the window’s history changes.
• HTML – onpageshow Event
  The onpageshow event fires when the user first navigates to a webpage or reloads the page.
• HTML – onpagehide Event
  The onpagehide event fires when the user is leaving a webpage by clicking a link, refreshing the page, submitting a form, closing the window, etc.
• HTML – onmessage Event
  The onmessage event fires when an HTML element has received a message through an event source.
• HTML – onload Event
  The onload event fires when an element has been loaded, and is often used to run a script once the webpage has completely loaded all content.
• HTML – onhashchange Event
  The onhashchange event fires when there has been a change to the anchor part of the page’s URL (the anchor begins with the # symbol).
• HTML – onerror Event
  The onerror event fires when an error occurs while loading an external file like an <img>, <object>, <link>, or <script>.
• HTML – onbeforeunload Event
  The onbeforeunload event fires when the user has made an action to leave the current page. Most browsers provide a default message.
• HTML – onbeforeprint Event
  The onbeforeprint event fires when a page is about to start printing or the dialogue box appears.
• HTML – onafterprint Event
  The onafterprint event fires when a page has started printing or once the print dialogue box has been closed.