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HTML | DOM Audio Object
  • Last Updated : 02 Aug, 2019

The Audio object is used for representing an HTML <audio> element.
The Audio Object is a new object in HTML5.

Syntax:

  • For creating an <audio> element:
    var gfg = document.createElement("AUDIO")
  • For accessing an <audio> element:
    var x = document.getElementById("myAudio")

Property Values:

ValueDescription
audioTracksIt is used for returning an AudioTrackList object representing available audio tracks.
autoplayIt is used for setting or returning whether the audio should start playing as soon as it is ready.
bufferedIt is used for returning a TimeRanges object representing the buffered parts of an audio.
controllerIt is used for returning the MediaController object representing the current media controller of an audio.
controlsIt is used for setting or returning whether an audio should have controls displayed (play/pause etc).
crossOriginIt is used for setting or returning the CORS settings of an audio.
currentSrcIt is used for returning the URL of the current audio.
currentTimeIt is used for setting or returning the current playback position in an audio (in seconds).
defaultMutedIt is used for setting or returning whether the audio should be muted by default.
defaultPlaybackRateIt is used for setting or returning whether the search field is read-only, or not.
durationIt is used for returning the length of an audio(in seconds).
endedIt is used for returning whether the playback of the audio has ended.
errorIt is used for returning a MediaError object representing the error state of the audio.
loopIt is used for setting or returning whether the audio should start playing over again, every time it is finished.
mediaGroupIt is used for setting or returning the name of the media group the audio(s) is a part of.
mutedIt is used for setting or returning whether the sound should be turned off.
networkStateIt is used for returning the current network state of an audio.
pausedIt is used for setting or returning whether an audio is paused.
playbackRateIt is used for setting or returning the speed of the audio playback.
playedIt is used for returning a TimeRanges object representing the played parts of the audio.
preloadIt is used for setting or returning the value of the preload attribute of an audio.
readyStateIt is used for setting or returning the current ready state of an audio.
seekableIt is used for returning a TimeRanges object representing the seekable parts of an audio.
seekingIt is used for returning whether the user is currently seeking in the audio.
srcIt is used for setting or returning the value of the src attribute of an audio.
textTracksIt is used for returning a TextTrackList object representing the available text tracks.
volumeIt is used for setting or returning the audio volume of an audio.

Audio Object Methods:

ValueDescription
addTextTrack()It is used for adding a new text track to the audio.
canPlayType()It is used for checking whether the browser can play the specified audio type.
fastSeek()It is used for seeking to a specified time in the audio player.
getStartDate()It is used for returning a new Date object, representing the current timeline offset.
load()It is used for re-loading the audio element.
play()It is used for start playing the audio.
pause()It is used for pausing the currently playing audio.

Below programs illustrate the Audio Object :
Example-1: Creating a <audio> element.






<!DOCTYPE html>
<html>
  
<head>
    <title>Audio Object</title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>Audio Object</h2>
  
    <p>Double Click the "Create" 
      button to create an Audio Object.</p>
  
    <button ondblclick="Create()">
      Create
  </button>
  
    <script>
        function Create() {
            
            // Create audio element.
            var m = document.createElement(
              "AUDIO");
  
            if (m.canPlayType("audio/mpeg")) {
                m.setAttribute("src", "bells.mp3");
            } else {
                m.setAttribute("src", "bells.ogg");
            }
  
            m.setAttribute("controls", "controls");
            document.body.appendChild(m);
        }
    </script>
  
</body>
  
</html>

Output:

  • Before clicking the button:
  • After clicking the button:

Example-2: Accessing a <audio> element.




<!DOCTYPE html>
<html>
  
<head>
    <title>Audio Object</title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>Audio Object</h2>
  
    <audio id="track" controls>
        <source src="bells.ogg" type="audio/ogg">
        <source src="bells.mp3" type="audio/mpeg">
      Your browser does not support the audio element.
    </audio>
  
    <p>Double-click the "Access Audio" button 
      to get the duration of the audio, in seconds.</p>
  
     <button onclick="access()">Access Audio</button>
  
    <p id="test"></p>
  
    <script>
        function access() {
            
            // Accessing audio element duration.
            var m = document.getElementById(
              "track").duration;
            document.getElementById("test").innerHTML = m;
        }
    </script>
  
</body>
  
</html>

Output:

  • Before clicking the button:
  • After clicking the button:

Supported Browsers: The browser supported by HTML | DOM Audio Object are listed below:

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Opera
  • Apple Safari
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