navigator Properties   Object Properties Summary

---

Retrieves the name of the browser.

HTML	N/A
Script	[ sAppName = ] navigator.appName

Microsoft Internet Explorer	String returned by Microsoft® Internet Explorer.
Netscape	String returned by Netscape Navigator.
sAppName	String specifying the browser's name.

The property is read-only with a default value specified by the browser.

The following script detects the current user's browser and displays its appName and appVersion attributes in an alert box.

<script language="JavaScript">
<!--
function getBrowser ( ) {
   var browser = navigator.appName;
   browser += "\n" + navigator.appVersion;
   alert ( browser );
}
//-->
</script>

 Show me 

Often, this attribute is used with appName to check for a browser requirement in a script. In the following, a variable "isIE4" checks to see if the string returned by appName contains "Microsoft ..." and the appVersion is 4 or later; if not, the variable returns false. Other scripts can then refer to this variable as needed.

<script language="JavaScript">
var isIE4 = ( ( navigator.appName == 'Microsoft Internet Explorer' ) &&
   ( parseInt ( navigator.appVersion ) >= 4 ) );
...
if ( isIE4 )
  ... code for IE4
else
  ... code for others
</script>

navigator

appCodeName, appMinorVersion, appVersion, userAgent