SimpleBoard/index.html at master · SNU-HCIL/SimpleBoard · GitHub

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<!DOCTYPE html>
<html>
<head>
  <style type="text/css">
    body{
      background:black;
      color:white;
      font-size:60px;
      padding:50px;
      font-family:Arial, 'Malgun Gothic';
    }
  </style>
</head>

<body>
  <div id="content">
  </div>

  <script src="https://d3js.org/d3.v4.min.js"></script>
  <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/1.3.6/socket.io.min.js"></script>

  <script>

    function show(html){
      d3.select('#content').html(html)
    }

  document.addEventListener('DOMContentLoaded', () =>{
    let socket = io.connect('http://' + document.domain + ':' + location.port);

    socket.on('connect', function() {
      socket.on('update', function(html){
        console.log('updated')
        show(html);
      })
    });
})
  </script>
</body>
</html>