Video objekt HTML DOM
Video objekt
Objekt Video představuje HTML prvek <video>.
Poznámka: Prvek <video> není podporován v aplikaci Internet Explorer 8 a starších verzích.
Přístup k objektu videa
K prvku <video> se dostanete pomocí getElementById():
Příklad
var x = document.getElementById("myVideo");
Vytvořte objekt videa
Element <video> můžete vytvořit pomocí metody document.createElement():
Příklad
var x = document.createElement("VIDEO");
Vlastnosti objektu videa
Property | Description |
---|---|
audioTracks | Returns an AudioTrackList object representing available audio tracks |
autoplay | Sets or returns whether a video should start playing as soon as it is ready |
buffered | Returns a TimeRanges object representing the buffered parts of a video |
controller | Returns the MediaController object representing the current media controller of a video |
controls | Sets or returns whether a video should have controls displayed (play/pause etc) |
crossOrigin | Sets or returns the CORS settings of a video |
currentSrc | Returns the URL of the current video |
currentTime | Sets or returns the current playback position in a video (in seconds) |
defaultMuted | Sets or returns whether the video should be muted by default |
defaultPlaybackRate | Sets or returns whether the default playback speed of the video |
duration | Returns the length of a video (in seconds) |
ended | Returns whether the playback of the video has ended |
error | Returns a MediaError object representing the error state of the video |
height | Sets or returns the value of the height attribute of a video |
loop | Sets or returns whether the video should start playing over again, every time it is finished |
mediaGroup | Sets or returns the name of the media group the video(s) is a part of |
muted | Sets or returns whether the sound of a video should be turned off |
networkState | Returns the current network state of a video |
paused | Returns whether a video is paused or not |
playbackRate | Sets or returns the speed of the video playback |
played | Returns a TimeRanges object representing the played parts of the video |
poster | Sets or returns the value of the poster attribute of a video |
preload | Sets or returns the value of the preload attribute of a video |
readyState | Returns the current ready state of a video |
seekable | Returns a TimeRanges object representing the seekable parts of a video |
seeking | Returns whether the user is currently seeking in the video |
src | Sets or returns the value of the src attribute of a video |
startDate | Returns a Date object representing the current time offset |
textTracks | Returns a TextTrackList object representing the available text tracks |
videoTracks | Returns a VideoTrackList object representing the available video tracks |
volume | Sets or returns the audio volume of a video |
width | Sets or returns the value of the width attribute of a video |
Metody video objektů
Method | Description |
---|---|
addTextTrack() | Adds a new text track to the video |
canPlayType() | Checks whether the browser can play the specified video type |
load() | Re-loads the video element |
play() | Starts playing the video |
pause() | Pauses the currently playing video |
Standardní vlastnosti a události
Objekt Video také podporuje standardní vlastnosti a události .
Související stránky
HTML tutoriál: HTML5 video
HTML reference: HTML tag <video>