Fail on Sound generating in browser

Index.razor

<MudButton ButtonType="ButtonType.Button" OnClick="BeepIfIncomingMessage">OK</MudButton>

@code {
    async Task BeepIfIncomingMessage()
    {
        if (jsSoundUtils == null)
            jsSoundUtils = await JS.InvokeAsync<IJSObjectReference>("import", "./js/SoundUtils.js");

       var res = await jsSoundUtils.InvokeAsync<object>("soundBeep");
    }
              /*
              Microsoft.JSInterop.JSException: Could not find 'soundBeep' ('soundBeep' was undefined).
Error: Could not find 'soundBeep' ('soundBeep' was undefined).
              */
}

SoundUtils.js

// The browser will limit the number of concurrent audio contexts
// So be sure to re-use them whenever you can
const myAudioContext = new AudioContext();

/**
 * Helper function to emit a beep sound in the browser using the Web Audio API.
 * 
 * @param {number} duration - The duration of the beep sound in milliseconds.
 * @param {number} frequency - The frequency of the beep sound.
 * @param {number} volume - The volume of the beep sound.
 * 
 * @returns {Promise} - A promise that resolves when the beep sound is finished.
 */
export function beep(duration, frequency, volume) {
    return new Promise((resolve, reject) => {
        // Set default duration if not provided
        duration = duration || 200;
        frequency = frequency || 440;
        volume = volume || 100;

        try {
            let oscillatorNode = myAudioContext.createOscillator();
            let gainNode = myAudioContext.createGain();
            oscillatorNode.connect(gainNode);

            // Set the oscillator frequency in hertz
            oscillatorNode.frequency.value = frequency;

            // Set the type of oscillator
            oscillatorNode.type = "square";
            gainNode.connect(myAudioContext.destination);

            // Set the gain to the volume
            gainNode.gain.value = volume * 0.01;

            // Start audio with the desired duration
            oscillatorNode.start(myAudioContext.currentTime);
            oscillatorNode.stop(myAudioContext.currentTime + duration * 0.001);

            // Resolve the promise when the sound is finished
            oscillatorNode.onended = () => {
                resolve();
            };
        } catch (error) {
            reject(error);
        }
    });
};

window.soundBeep = beep();