Audio oscillator

document.querySelector('#fdsafsadfhiguasfdhihsafusahdfsafdoqwipfqw5').onclick = function () {
    AudioContext = window.AudioContext || window.webkitAudioContext;
    let audioCtx = new AudioContext();

    const oscillator = audioCtx.createOscillator();
    const gainNode = audioCtx.createGain();


    oscillator.connect(gainNode);
    gainNode.connect(audioCtx.destination);

    oscillator.type = "sine";
    oscillator.frequency.value = 440;
    oscillator.start(0);

    gainNode.gain.value = 0.1;
  }