Protocol

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Write a javascript code to get the Protocol.

<html>            
  <head>
    <script>
    
    function displayFunction() 
    {
        document.getElementById("para").innerHTML = "The protocol of the webpage is: "+ window.location.protocol;
    }

    </script>
  </head>
<body>
    
    <p>Click to get The protocol of the Web Page</p>
    <input type="button" value="Get the protocol" onclick="displayFunction();"/>
    <p id="para"></p>

  </body>
</html>

Output:

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