Get cpu Class
<html> <head> <script language="JavaScript"> function function1() { var m = navigator.cpuClass; if (m == "x86") { n = "Intel processor"; } else if (m == "68K") { n = "Motorola processor"; } else if (m == "Alpha") { n = "Digital processor" } else if (m == "PPC") { n = "Motorola processor"; } else { n = "Unknown processor"; } alert("The CPU of this machine is "+'"'+m+'"\n'+n); } </script> <body> <input type="button" value="Click here" onClick="function1();"> </body> </html>