message: Fix JS sample of dnn
diff: @@ -12,7 +12,7 @@ var persons = {};
  //! [Run face detection model]
  function detectFaces(img) {
  - var blob = cv.blobFromImage(img, 1, {width: 128, height: 96}, [104, 177, 123, 0], false, false);
  + var blob = cv.blobFromImage(img, 1, {width: 192, height: 144}, [104, 117, 123, 0], false, false);
  netDet.setInput(blob);
  var out = netDet.forward();
  @@ -186,16 +186,11 @@ function main() {
  document.getElementById('startStopButton').disabled = false;
  };
  -
  -// Load opencv.js
  -cv['onRuntimeInitialized']=()=>{
  - main();
  -};
  </script>
  </head>
  -<body>
  +<body onload="cv['onRuntimeInitialized']=()=>{ main() }">
  <button id="startStopButton" type="button" disabled="true">Start</button>
  <div id="status"></div>
  <canvas id="output" width=640 height=480 style="max-width: 100%"></canvas>
  