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HTML DOM

HTML Documents HTML Elements HTML Attributes HTML Collection HTML NodeList HTML DOMTokenList HTML Styles
alignContent alignItems alignSelf animation animationDelay animationDirection animationDuration animationFillMode animationIterationCount animationName animationTimingFunction animationPlayState background backgroundAttachment backgroundClip backgroundColor backgroundImage backgroundOrigin backgroundPosition backgroundRepeat backgroundSize backfaceVisibility border borderBottom borderBottomColor borderBottomLeftRadius borderBottomRightRadius borderBottomStyle borderBottomWidth borderCollapse borderColor borderImage borderImageOutset borderImageRepeat borderImageSlice borderImageSource borderImageWidth borderLeft borderLeftColor borderLeftStyle borderLeftWidth borderRadius borderRight borderRightColor borderRightStyle borderRightWidth borderSpacing borderStyle borderTop borderTopColor borderTopLeftRadius borderTopRightRadius borderTopStyle borderTopWidth borderWidth bottom boxShadow boxSizing captionSide caretColor clear clip color columnCount columnFill columnGap columnRule columnRuleColor columnRuleStyle columnRuleWidth columns columnSpan columnWidth counterIncrement counterReset cssFloat cursor direction display emptyCells filter flex flexBasis flexDirection flexFlow flexGrow flexShrink flexWrap font fontFamily fontSize fontStyle fontVariant fontWeight fontSizeAdjust height isolation justifyContent left letterSpacing lineHeight listStyle listStyleImage listStylePosition listStyleType margin marginBottom marginLeft marginRight marginTop maxHeight maxWidth minHeight minWidth objectFit objectPosition opacity order orphans outline outlineColor outlineOffset outlineStyle outlineWidth overflow overflowX overflowY padding paddingBottom paddingLeft paddingRight paddingTop pageBreakAfter pageBreakBefore pageBreakInside perspective perspectiveOrigin position quotes resize right scrollBehavior tableLayout tabSize textAlign textAlignLast textDecoration textDecorationColor textDecorationLine textDecorationStyle textIndent textOverflow textShadow textTransform top transform transformOrigin transformStyle transition transitionProperty transitionDuration transitionTimingFunction transitionDelay unicodeBidi userSelect verticalAlign visibility width wordBreak wordSpacing wordWrap widows zIndex

HTML Events

HTML Events HTML Event Objects

Web APIs

API Console API Fetch API Fullscreen API Geolocation API History API MediaQueryList API Storage API Validation API Web

HTML Objects

<a> <abbr> <address> <area> <article> <aside> <audio> <b> <base> <bdo> <blockquote> <body> <br> <button> <canvas> <caption> <cite> <code> <col> <colgroup> <datalist> <dd> <del> <details> <dfn> <dialog> <div> <dl> <dt> <em> <embed> <fieldset> <figcaption> <figure> <footer> <form> <head> <header> <h1> - <h6> <hr> <html> <i> <iframe> <img> <ins> <input> button <input> checkbox <input> color <input> date <input> datetime <input> datetime-local <input> email <input> file <input> hidden <input> image <input> month <input> number <input> password <input> radio <input> range <input> reset <input> search <input> submit <input> text <input> time <input> url <input> week <kbd> <label> <legend> <li> <link> <map> <mark> <menu> <menuitem> <meta> <meter> <nav> <object> <ol> <optgroup> <option> <output> <p> <param> <pre> <progress> <q> <s> <samp> <script> <section> <select> <small> <source> <span> <strong> <style> <sub> <summary> <sup> <table> <tbody> <td> <tfoot> <th> <thead> <tr> <textarea> <time> <title> <track> <u> <ul> <var> <video>

Other References

CSSStyleDeclaration JS Conversion


HTML DOM Events


HTML DOM events allow JavaScript to register different event handlers on elements in an HTML document.

Events are normally used in combination with functions, and the function will not be executed before the event occurs (such as when a user clicks a button).

For a tutorial about Events, read our JavaScript Events Tutorial.

Event Occurs when Belongs To
abort The loading of a media is aborted UiEvent, Event
afterprint A page has started printing, or if the print dialogue box has been closed Event
animationend A CSS animation has completed AnimationEvent
animationiteration A CSS animation is repeated AnimationEvent
animationstart A CSS animation has started AnimationEvent
beforeprint A page is about to be printed Event
beforeunload Before a document is about to be unloaded UiEvent, Event
blur An element loses focus FocusEvent
canplay The browser can start playing the media (has buffered enough to begin) Event
canplaythrough The browser can play through the media without stopping for buffering Event
change The content of a form element has changed Event
click An element is clicked on MouseEvent
contextmenu An element is right-clicked to open a context menu MouseEvent
copy The content of an element is copied ClipboardEvent
cut The content of an element is cutted ClipboardEvent
dblclick An element is double-clicked MouseEvent
drag An element is being dragged DragEvent
dragend Dragging of an element has ended DragEvent
dragenter A dragged element enters the drop target DragEvent
dragleave A dragged element leaves the drop target DragEvent
dragover A dragged element is over the drop target DragEvent
dragstart Dragging of an element has started DragEvent
drop A dragged element is dropped on the target DragEvent
durationchange The duration of a media is changed Event
ended A media has reach the end ("thanks for listening") Event
error An error occurs while loading an external file ProgressEvent, UiEvent, Event
focus An element gets focus FocusEvent
focusin An element is about to get focus FocusEvent
focusout An element is about to lose focus FocusEvent
fullscreenchange An element is displayed in fullscreen mode Event
fullscreenerror An element can not be displayed in fullscreen mode Event
hashchange There has been changes to the anchor part of a URL HashChangeEvent
input An element gets user input InputEvent, Event
invalid An element is invalid Event
keydown A key is down KeyboardEvent
keypress A key is pressed KeyboardEvent
keyup A key is released KeyboardEvent
load An object has loaded UiEvent, Event
loadeddata Media data is loaded Event
loadedmetadata Meta data (like dimensions and duration) are loaded Event
loadstart The browser starts looking for the specified media ProgressEvent
message A message is received through the event source Event
mousedown The mouse button is pressed over an element MouseEvent
mouseenter The pointer is moved onto an element MouseEvent
mouseleave The pointer is moved out of an element MouseEvent
mousemove The pointer is moved over an element MouseEvent
mouseover The pointer is moved onto an element MouseEvent
mouseout The pointer is moved out of an element MouseEvent
mouseup A user releases a mouse button over an element MouseEvent
mousewheel Deprecated. Use the wheel event instead WheelEvent
offline The browser starts to work offline Event
online The browser starts to work online Event
open A connection with the event source is opened Event
pagehide User navigates away from a webpage PageTransitionEvent
pageshow User navigates to a webpage PageTransitionEvent
paste Some content is pasted in an element ClipboardEvent
pause A media is paused Event
play The media has been started or is no longer paused Event
playing The media is playing after having been paused or stopped for buffering Event
popstate The window's history changes PopStateEvent
progress The browser is downloading media data Event
ratechange The playing speed of the media is changed Event
resize The document view is resized UiEvent, Event
reset A form is reset Event
scroll An element's scrollbar is being scrolled UiEvent, Event
search Something is written in a search field Event
seeked Skipping to a media position is finished Event
seeking Skipping to a media position is started Event
select User selects some text UiEvent, Event
show A <menu> element is shown as a context menu Event
stalled The browser is trying to get media data, but data is not available Event
storage A Web Storage area is updated StorageEvent
submit A form is submitted Event
suspend The browser is intentionally not getting media data Event
timeupdate The playing position has changed (like when the user fast forwards to a different point in the media) Event
toggle The user opens or closes the <details> element Event
touchcancel The touch is interrupted TouchEvent
touchend A finger is removed from a touch screen TouchEvent
touchmove A finger is dragged across the screen TouchEvent
touchstart A finger is placed on a touch screen TouchEvent
transitionend A CSS transition has completed TransitionEvent
unload A page has unloaded (for <body>) UiEvent, Event
volumechange The volume of the media has changed (includes setting the volume to "mute") Event
waiting The media has paused but is expected to resume (like when the media pauses to buffer more data) Event
wheel The mouse wheel rolls up or down over an element WheelEvent

HTML DOM Event Properties and Methods

Property/Method Description Belongs To
altKey Returns whether the "ALT" key was pressed when the mouse event was triggered MouseEvent
altKey Returns whether the "ALT" key was pressed when the key event was triggered KeyboardEvent, TouchEvent
animationName Returns the name of the animation AnimationEvent
bubbles Returns whether or not a specific event is a bubbling event Event
button Returns which mouse button was pressed when the mouse event was triggered MouseEvent
buttons Returns which mouse buttons were pressed when the mouse event was triggered MouseEvent
cancelable Returns whether or not an event can have its default action prevented Event
charCode Returns the Unicode character code of the key that triggered the onkeypress event KeyboardEvent
changeTouches Returns a list of all the touch objects whose state changed between the previous touch and this touch TouchEvent
clientX Returns the horizontal coordinate of the mouse pointer, relative to the current window, when the mouse event was triggered MouseEvent, TouchEvent
clientY Returns the vertical coordinate of the mouse pointer, relative to the current window, when the mouse event was triggered MouseEvent, TouchEvent
clipboardData Returns an object containing the data affected by the clipboard operation ClipboardData
code Returns the code of the key that triggered the event KeyboardEvent
composed Returns whether the event is composed or not Event
ctrlKey Returns whether the "CTRL" key was pressed when the mouse event was triggered MouseEvent
ctrlKey Returns whether the "CTRL" key was pressed when the key event was triggered KeyboardEvent, TouchEvent
currentTarget Returns the element whose event listeners triggered the event Event
data Returns the inserted characters InputEvent
dataTransfer Returns an object containing the data being dragged/dropped, or inserted/deleted DragEvent, InputEvent
defaultPrevented Returns whether or not the preventDefault() method was called for the event Event
deltaX Returns the horizontal scroll amount of a mouse wheel (x-axis) WheelEvent
deltaY Returns the vertical scroll amount of a mouse wheel (y-axis) WheelEvent
deltaZ Returns the scroll amount of a mouse wheel for the z-axis WheelEvent
deltaMode Returns a number that represents the unit of measurements for delta values (pixels, lines or pages) WheelEvent
detail Returns a number that indicates how many times the mouse was clicked UiEvent
elapsedTime Returns the number of seconds an animation has been running AnimationEvent
elapsedTime Returns the number of seconds a transition has been running  
eventPhase Returns which phase of the event flow is currently being evaluated Event
getTargetRanges() Returns an array containing target ranges that will be affected by the insertion/deletion InputEvent
getModifierState() Returns an array containing target ranges that will be affected by the insertion/deletion MouseEvent
inputType Returns the type of the change (i.e "inserting" or "deleting") InputEvent
isComposing Returns whether the state of the event is composing or not InputEvent, KeyboardEvent
isTrusted Returns whether or not an event is trusted Event
key Returns the key value of the key represented by the event KeyboardEvent
key Returns the key of the changed storage item StorageEvent
keyCode Returns the Unicode character code of the key that triggered the onkeypress event, or the Unicode key code of the key that triggered the onkeydown or onkeyup event KeyboardEvent
location Returns the location of a key on the keyboard or device KeyboardEvent
lengthComputable Returns whether the length of the progress can be computable or not ProgressEvent
loaded Returns how much work has been loaded ProgressEvent
metaKey Returns whether the "META" key was pressed when an event was triggered MouseEvent
metaKey Returns whether the "meta" key was pressed when the key event was triggered KeyboardEvent, TouchEvent
MovementX Returns the horizontal coordinate of the mouse pointer relative to the position of the last mousemove event MouseEvent
MovementY Returns the vertical coordinate of the mouse pointer relative to the position of the last mousemove event MouseEvent
newValue Returns the new value of the changed storage item StorageEvent
newURL Returns the URL of the document, after the hash has been changed HasChangeEvent
offsetX Returns the horizontal coordinate of the mouse pointer relative to the position of the edge of the target element MouseEvent
offsetY Returns the vertical coordinate of the mouse pointer relative to the position of the edge of the target element MouseEvent
oldValue Returns the old value of the changed storage item StorageEvent
oldURL Returns the URL of the document, before the hash was changed HasChangeEvent
onemptied When something bad happens and the media file is suddenly unavailable (like unexpectedly disconnects)  
pageX Returns the horizontal coordinate of the mouse pointer, relative to the document, when the mouse event was triggered MouseEvent
pageY Returns the vertical coordinate of the mouse pointer, relative to the document, when the mouse event was triggered MouseEvent
persisted Returns whether the webpage was cached by the browser PageTransitionEvent
preventDefault() Cancels the event if it is cancelable, meaning that the default action that belongs to the event will not occur Event
propertyName Returns the name of the CSS property associated with the animation or transition AnimationEvent, TransitionEvent
pseudoElement Returns the name of the pseudo-element of the animation or transition AnimationEvent, TransitionEvent
region MouseEvent
relatedTarget Returns the element related to the element that triggered the mouse event MouseEvent
relatedTarget Returns the element related to the element that triggered the event FocusEvent
repeat Returns whether a key is being hold down repeatedly, or not KeyboardEvent
screenX Returns the horizontal coordinate of the mouse pointer, relative to the screen, when an event was triggered MouseEvent
screenY Returns the vertical coordinate of the mouse pointer, relative to the screen, when an event was triggered MouseEvent
shiftKey Returns whether the "SHIFT" key was pressed when an event was triggered MouseEvent
shiftKey Returns whether the "SHIFT" key was pressed when the key event was triggered KeyboardEvent, TouchEvent
state Returns an object containing a copy of the history entries PopStateEvent
stopImmediatePropagation() Prevents other listeners of the same event from being called Event
stopPropagation() Prevents further propagation of an event during event flow Event
storageArea Returns an object representing the affected storage object StorageEvent
target Returns the element that triggered the event Event
targetTouches Returns a list of all the touch objects that are in contact with the surface and where the touchstart event occured on the same target element as the current target element TouchEvent
timeStamp Returns the time (in milliseconds relative to the epoch) at which the event was created Event
total Returns the total amount of work that will be loaded ProgressEvent
touches Returns a list of all the touch objects that are currently in contact with the surface TouchEvent
transitionend A CSS transition has completed TransitionEvent
type Returns the name of the event Event
url Returns the URL of the changed item's document StorageEvent
which Returns which mouse button was pressed when the mouse event was triggered MouseEvent
which Returns the Unicode character code of the key that triggered the onkeypress event, or the Unicode key code of the key that triggered the onkeydown or onkeyup event KeyboardEvent
view Returns a reference to the Window object where the event occurred UiEvent