The suffixes property obtains a string listing the possible file suffixes or filename extensions for the MIME type.
<html>
<head>
<title> Using the suffixes property of the MimeType object</title>
</head>
<body>
<script language="javascript">
<!---
for (i=0; i < 3; i++) {
document.write("MimeType suffix " + i + " : ");
document.writeln(navigator.mimeTypes[i].suffixes);
document.write("<br>");
}
-->
</script>
</body>
</html>