web-speech-API/index.html at master · agent-sidd/web-speech-API · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <link rel="stylesheet" href="style.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
    <style>
    .tgl
    {
 position: absolute;
  top:330px;
  margin: 40px;
  width: 130px;
  height: 130px;
  font: 13px/130px 'Barlow Semi Condensed', sans-serif;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #fff;
  text-align: center;
  background: white;
  border-radius: 50%;
  animation: shadow-pulse 1s infinite;
}
    </style>
</head>
<body>
    <div class="container">
        <h4> USING WEB speechRecognition API</h4>
          <div id='message'>Click on mic to start</div>
          <br>
          <div class="inner-left">
            <button id='btnGiveCommand' onclick="toogleFunction()"> <i class="fa fa-microphone" aria-hidden="true" style="font-size: 40px;"></i></button>
           <br><br>
       </div>
    </div>

    <script>
       function toogleFunction() {
       var element = document.getElementById("btnGiveCommand");
       element.classList.toggle("tgl");
       }
        var message = document.querySelector('#message');
        var SpeechRecognition = SpeechRecognition || webkitSpeechRecognition;
        var SpeechGrammarList = SpeechGrammarList || webkitSpeechGrammarList;

        var grammar = '#JSGF V1.0;'

        var recognition = new SpeechRecognition();
        var speechRecognitionList = new SpeechGrammarList();
        speechRecognitionList.addFromString(grammar, 1);
        recognition.grammars = speechRecognitionList;
        recognition.lang = 'en-US';
        recognition.interimResults = true;

        recognition.onresult = function(event) {
            var last = event.results.length - 1;
            var command = event.results[last][0].transcript;
            message.textContent = '' + command + '.';
        };

        recognition.onspeechend = function() {
            recognition.stop();

        };

        recognition.onerror = function(event) {
            message.textContent = 'Error occurred in recognition: ' + event.error;
        }

        document.querySelector('#btnGiveCommand').addEventListener('click', function(){
            recognition.start();

        });


    </script>
</body>
</html>