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tassoevan/beep.js

Created January 3, 2017 12:54
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Sinusoidal beep in JavaScript ES5
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beep.js
var audioCtx = new(window.AudioContext || window.webkitAudioContext)();
var oscillator = audioCtx.createOscillator();
var gainNode = audioCtx.createGain();
oscillator.connect(gainNode);
gainNode.connect(audioCtx.destination);
gainNode.gain.value = 1;
oscillator.frequency.value = 440;
oscillator.type = 'sine';
oscillator.start();
setTimeout(function() { oscillator.stop(); }, 500);
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