[Webkit-unassigned] [Bug 175412] New: WebAudio does not output sound

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=175412

            Bug ID: 175412
           Summary: WebAudio does not output sound
           Product: WebKit
           Version: Other
          Hardware: iPhone / iPad
                OS: iOS 11
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Audio
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: andrew at tokbox.com

No sound resulting from this code, also no error is thrown:

https://output.jsbin.com/mogudag

'use strict';

const handleError = (e) => {
  const pre = document.createElement('pre');
  pre.style.color = 'red';
  pre.textContent = `Error: ${e}\n.message: ${e.message}\n.stack: ${e.stack}`;
  document.body.appendChild(pre);
};

window.addEventListener('error', ({ error }) => handleError(error));
window.addEventListener('unhandledrejection', ({ reason }) => handleError(reason));

(async () => {
  try {
    await new Promise(resolve => window.addEventListener('load', resolve));

    const ctx = new (window.webkitAudioContext || window.AudioContext)();

    const oscNode = ctx.createOscillator();

    oscNode.connect(ctx.destination);
    oscNode.start();
  } catch (e) {
    handleError(e);
  }
})();

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