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AudioContext.currentTime

The currentTime read-only property of the AudioContext interface returns a double representing an ever-increasing hardware timestamp in seconds that can be used for scheduling audio playback, visualizing timelines, etc. It starts at 0.

Syntax

var audioCtx = new AudioContext();
console.log(audioCtx.currentTime);

Example:

var AudioContext = window.AudioContext || window.webkitAudioContext;
var audioCtx = new AudioContext();
// Older webkit/blink browsers require a prefix

...

console.log(audioCtx.currentTime);

Specifications:

Especificações: Status Comentario
Web Audio API
The definition of 'currentTime' in that specification.		 Working Draft

Browser compatibility:

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 10.0webkit (Yes) 25.0 (25.0) No support 15.0webkit
22 (unprefixed)		 6.0webkit
Feature Android Edge Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support ? (Yes) 26.0 1.2 ? ? ? 33.0

See also:

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https://developer.mozilla.org/en-US/docs/Web/API/AudioContext/currentTime