JavaScript Events and it's types
JavaScript Events:
• Events are actions or occurrences that happen in the system you are programming, which the system tells you about so you can respond to them in some way if desired.
• Events are a part of the Document Object Model (DOM) Level 3 and every HTML element contains a set of events which can trigger JavaScript Code.These events are hooked to elements in the Document Object Model(DOM)
• The List of standard HTML 5 events Value script indicates a Javascript function to be executed.
Attribute | Value | Description |
---|---|---|
Offline | script | Triggers when the document goes offline |
Onabort | script | Triggers on an abort event |
onafterprint | script | Triggers after the document is printed |
onbeforeonload | script | Triggers before the document loads |
onbeforeprint | script | Triggers before the document is printed |
onblur | script | Triggers when the window loses focus |
oncanplay | script | Triggers when media can start play, but might has to stop for buffering |
oncanplaythrough | script | Triggers when media can be played to the end, without stopping for buffering |
onchange | script | Triggers when an element changes |
onclick | script | Triggers on a mouse click |
oncontextmenu | script | Triggers when a context menu is triggered |
ondblclick | script | Triggers on a mouse double-click |
ondrag | script | Triggers when an element is dragged |
ondragend | script | Triggers at the end of a drag operation |
ondragenter | script | Triggers when an element has been dragged to a valid drop target |
ondragleave | script | Triggers when an element is being dragged over a valid drop target |
ondragover | script | Triggers at the start of a drag operation |
ondragstart | script | Triggers at the start of a drag operation |
ondrop | script | Triggers when dragged element is being dropped |
ondurationchange | script | Triggers when the length of the media is changed |
onemptied | script | Triggers when a media resource element suddenly becomes empty. |
onended | script | Triggers when media has reach the end |
onerror | script | Triggers when an error occur |
onfocus | script | Triggers when the window gets focus |
onformchange | script | Triggers when a form changes |
onforminput | script | Triggers when a form gets user input |
onhaschange | script | Triggers when the document has change |
oninput | script | Triggers when an element gets user input |
oninvalid | script | Triggers when an element is invalid |
onkeydown | script | Triggers when a key is pressed |
onkeypress | script | Triggers when a key is pressed and released |
onkeyup | script | Triggers when a key is released |
onload | script | Triggers when the document loads |
onloadeddata | script | Triggers when media data is loaded |
onloadedmetadata | script | Triggers when the duration and other media data of a media element is loaded |
onloadstart | script | Triggers when the browser starts to load the media data |
onmessage | script | Triggers when the message is triggered |
onmousedown | script | Triggers when a mouse button is pressed |
onmousemove | script | Triggers when the mouse pointer moves |
onmouseout | script | Triggers when the mouse pointer moves out of an element |
onmouseover | script | Triggers when the mouse pointer moves over an element |
onmouseup | script | Triggers when a mouse button is released |
onmousewheel | script | Triggers when the mouse wheel is being rotated |
onoffline | script | Triggers when the document goes offline |
onoine | script | Triggers when the document comes online |
ononline | script | Triggers when the document comes online |
onpagehide | script | Triggers when the window is hidden |
onpageshow | script | Triggers when the window becomes visible |
onpause | script | Triggers when media data is paused |
onplay | script | Triggers when media data is going to start playing |
onplaying | script | Triggers when media data has start playing |
onpopstate | script | Triggers when the window's history changes |
onprogress | script | Triggers when the browser is fetching the media data |
onratechange | script | Triggers when the media data's playing rate has changed |
onreadystatechange | script | Triggers when the ready-state changes |
onredo | script | Triggers when the document performs a redo |
onresize | script | Triggers when the window is resized |
onscroll | script | Triggers when an element's scrollbar is being scrolled |
onseeked | script | Triggers when a media element's seeking attribute is no longer true, and the seeking has ended |
onseeking | script | Triggers when a media element's seeking attribute is true, and the seeking has begun |
onselect | script | Triggers when an element is selected |
onstalled | script | Triggers when there is an error in fetching media data |
onstorage | script | Triggers when a document loads |
onsubmit | script | Triggers when a form is submitted |
onsuspend | script | Triggers when the browser has been fetching media data, but stopped before the entire media file was fetched |
ontimeupdate | script | Triggers when media changes its playing position |
onundo | script | Triggers when a document performs an undo |
onunload | script | Triggers when the user leaves the document |
onvolumechange | script | Triggers when media changes the volume, also when volume is set to "mute" |
onwaiting | script | Triggers when media has stopped playing, but is expected to resume |