Page 362 - Hacking Roomba
P. 362
Chapter 15 — RoombaCam: Adding Eyes to Roomba 343
Listing 15-1 Continued
function refreshIt() {
if (!document.images) return;
document.images[‘SpcaPict’].src =
‘SpcaPict.tif?’ + Math.random();
setTimeout(‘refreshIt()’,2000); // call again in 2000
msec
}
//-- >
</script>
</head>
<body onLoad=”setTimeout(‘refreshIt()’,5000)”>
<center>
<h2> Roomba Camera </h2>
<img src=”SpcaPict.tif” name=”SpcaPict”>
<br/>
Image refreshed every 2 seconds.
</center>
</body>
</html>
FIGURE 15-8: An auto-refreshing webpage for the Roomba webcam