setInterval in second half of the minute

setInterval to update at random time, within the second half of the minute. e.g. to help spread server load

If between 30-60 seconds of current minute PASS
If between 0-30 seconds of current minute FAIL

If FAIL, set time-out to ensure PASS If PASS, set interval to reload every 60 seconds

*View browser console for feedback

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>d3 | update chart</title> 
  <meta name="author" content="Sundar Singh | eesur.com">
  
  <script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script> 
  <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.10.3/moment.min.js"></script>
  <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/3.9.3/lodash.min.js"></script>

body {
		font-family: "Source Code Pro", Consolas, monaco, monospace;
		line-height: 1.5;
		font-weight: 400;
		background-color: #130C0E;
		padding: 20px;
	}
    #current-seconds {
        list-style: none;
        margin: 0;
        padding: 0;
        margin-top: 30px;
    }
    #current-seconds li {
        padding: 4px 8px;
        margin-bottom: 8px;
        background: #00B0DD;
        letter-spacing: 1px;
    }
</style>
</head>
<body>

</body>
</html>

Modified http://d3js.org/d3.v3.min.js to a secure url

https://d3js.org/d3.v3.min.js

https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.10.3/moment.min.js

https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.9.3/lodash.min.js