The Event Object
All event objects in the HTML DOM are based on the Event Object.
All event objects (like MouseEvent and KeyboardEvent) has access to the Event Object's properties and methods.
Event Object Events
| Event | Occurs When |
|---|---|
| abort | The loading of a media is aborted |
| afterprint | A page has started printing |
| beforeprint | A page is about to be printed |
| beforeunload | Before the document is about to be unloaded |
| canplay | The browser can start playing a media (has buffered enough to begin) |
| canplaythrough | The browser can play through a media without stopping for buffering |
| change | The content of a form element have changed |
| ended | A media has reach the end ("thanks for listening") |
| error | An error has occurred while loading a file |
| fullscreenchange | An element is displayed in fullscreen mode |
| fullscreenerror | An element can not be displayed in fullscreen mode |
| input | An element gets user input |
| invalid | An element is invalid |
| load | An object has loaded |
| loadeddata | Media data is loaded |
| loadedmetadata | Meta data (like dimensions and duration) are loaded |
| message | A message is received through the event source |
| offline | The browser starts working offline |
| online | the browser starts working online |
| open | A connection with the event source is opened |
| pause | A media is paused |
| play | A media has started or is no longer paused |
| playing | A media is playing after beeing paused or buffered |
| progress | The browser is downloading media data |
| ratechange | The playing speed of a media is changed |
| resize | The document view is resized |
| reset | A form is reset |
| scroll | A scrollbar is being scrolled |
| search | Something is written in a search field |
| seeked | Skipping to a new position is finished |
| seeking | Skipping to a new position is started |
| select | A user selects some text |
| show | A <menu> element is shown as a context menu |
| stalled | The browser is trying to get unavailable media data |
| submit | A form is submitted |
| suspend | The browser is intentionally not getting media data |
| timeupdate | The playing position has changed (the user moves to a different point in the media) |
| toggle | The user opens or closes a <details> element |
| unload | A page has unloaded |
| waiting | A media is paused but is expected to resume (e.g. buffering) |
| volumechange | The volume of a media is changed (includes muting) |
All event objects in the HTML DOM are based on the Event Object.
All event objects (like MouseEvent and KeyboardEvent) has access to the Event Object's properties and methods.
Event Properties and Methods
| Property/Method | Description |
|---|---|
| bubbles | Returns whether or not a specific event is a bubbling event |
| cancelBubble | Sets or returns whether the event should propagate up the hierarchy or not |
| cancelable | Returns whether or not an event can have its default action prevented |
| composed | Returns whether the event is composed or not |
| createEvent() | Creates a new event |
| composedPath() | Returns the event's path |
| currentTarget | Returns the element whose event listeners triggered the event |
| defaultPrevented | Returns whether or not the preventDefault() method was called for the event |
| eventPhase | Returns which phase of the event flow is currently being evaluated |
| isTrusted | Returns whether or not an event is trusted |
| preventDefault() | Cancels the event if it is cancelable, meaning that the default action that belongs to the event will not occur |
| stopImmediatePropagation() | Prevents other listeners of the same event from being called |
| stopPropagation() | Prevents further propagation of an event during event flow |
| target | Returns the element that triggered the event |
| timeStamp | Returns the time (in milliseconds relative to the epoch) at which the event was created |
| type | Returns the name of the event |
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