test.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  	<!-- Load plotly.js into the DOM -->
	<script src='https://cdn.plot.ly/plotly-latest.min.js'></script>
	<script src='https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js'></script>
  <script src='js/test.js'></script>
</head>

<body>
	<div id='myDiv'><!-- Plotly chart will be drawn inside this DIV --></div>
</body>
</html>