<head>
  <script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
</head>
<body>
  <div id="graph"></div>
  <button onclick="javascript:randomize();">Randomize!</button>
</body>
button {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
}
Plotly.newPlot('graph', [{
  x: [1, 2, 3],
  y: [0, 0.5, 1],
  line: {simplify: false},
}], {}, {showSendToCloud:true});

function randomize() {
  Plotly.animate('graph', {
    data: [{y: [Math.random(), Math.random(), Math.random()]}],
    traces: [0],
    layout: {}
  }, {
    transition: {
      duration: 500,
      easing: 'cubic-in-out'
    },
	  frame: {
		  duration: 500
	  }
  })
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.