Get Client Machine IP Address using JavaScript and JSON

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8" />
  <title>Get Client Machine IP Address using JavaScript and JSON</title>
  <link rel="stylesheet" href="style.css" />
  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0/jquery.js"></script>
  <script type="text/javascript">
    var getIPAddress = function() {
      $.getJSON("https://jsonip.com?callback=?", function(data) {
        alert("Your IP address is :- " + data.ip);
      });
    };
  </script>
</head>

<body>
  <div>
    <h3>
      Get Client Machine IP Address using JavaScript and JSON
    </h3>
    <a href="#" onclick="getIPAddress()">Cleck to get IP Address</a>  
  </div>
</body>

</html>

// Add your javascript here
$(function(){
  $("h1").animate({
    "margin-left": "100px"
  }, "slow");
});

/* Put your css in here */

h3 {
  color: red;
}