Sending data from webView to native Android/iOS layer in hybrid mobile app

sendToNative.ts

function sendToNative(data: string) {
  if (/android/i.test(window.navigator.userAgent)) {
    if (window.quicketNative) {
      return window.quicketNative.send(data);
    }
  }

  let frame = document.createElement('iframe');

  frame.width = '100';
  frame.height = '1';
  frame.src = `quicketNative:send:${encodeURIComponent(data)}`;
  document.body.appendChild(frame);
  document.body.removeChild(frame);
}