D3 Examples - Basic jquery

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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>
<body>
  <div><form><input id="inputBox"></form></div>
  <div id="sayHi"></div>
  <div id="repeatInput"></div>
  <script>
            $("#sayHi").html("Hi!");
    
      var inputBox = $( "#inputBox" );
      inputBox.on( "change", function( event ) {
        var answer = this.value;
        $("#repeatInput").html(answer);
      });    
  </script>
</body>
</html>
    