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The stop method of the OscillatorNode interface specifies the time to stop playing the tone. Its parameter is optional and defaults to 0.

Syntax

oscillator.stop(when); // stop playing oscillator at when

Parameters

when Optional
An optional double representing the audio context time when the oscillator should stop. If a value is not included, it defaults to 0. If the time is equal to or before the current audio context time, the oscillator will stop playing immediately.

Example

The following example shows basic usage of an AudioContext to create an oscillator node. For an applied example, check out our Violent Theremin demo (see app.js for relevant code).

// create web audio api context
var audioCtx = new (window.AudioContext || window.webkitAudioContext)();

// create Oscillator node
var oscillator = audioCtx.createOscillator();
oscillator.connect(audioCtx.destination);

oscillator.start();

oscillator.stop(audioCtx.currentTime + 2); // stop 2 seconds after the current time

Specifications

Specification Status Comment
Web Audio API
The definition of 'stop' in that specification.
Working Draft  

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
stopChrome Full support 14Edge Full support 12Firefox Full support 25
Notes
Full support 25
Notes
Notes Before Firefox 30, the when parameter was not optional.
IE No support NoOpera Full support 15Safari Full support 6WebView Android Full support YesChrome Android Full support 18Firefox Android Full support 26
Notes
Full support 26
Notes
Notes Before Firefox 30, the when parameter was not optional.
Opera Android Full support 14Safari iOS ? Samsung Internet Android Full support Yes

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
See implementation notes.
See implementation notes.

See also

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