Membuat suara dengan menggunakan Web Audio API

oscillator.js

(function() {
    let audioCtx = new (window.AudioContext || window.webkitAudioContext)();

    // Create the oscillator
    let osc1 = audioCtx.createOscillator();
    let osc2 = audioCtx.createOscillator();
    
    // Create the gain node
    let gainOsc1 = audioCtx.createGain();
    let gainOsc2 = audioCtx.createGain();
    
    // Set the oscillator's parameter
    osc1.type = "square";
    osc2.type = "sine";
    osc1.frequency.value = 30;
    osc2.frequency.value = 50;

    // Set the gain node's parameter
    gainOsc1.gain.value = 0.1;
    gainOsc2.gain.value = 0.1;

    // Wiring all the nodes
    osc1.connect(gainOsc1);
    osc2.connect(gainOsc2);
    gainOsc1.connect(audioCtx.destination);
    gainOsc2.connect(audioCtx.destination);

    // Start the oscillator
    osc1.start();
    osc2.start();
})();