Navigator Object
<HTML> <HEAD> <SCRIPT LANGUAGE = "JavaScript"> function displayBrowserInfo() { var browserStr = "" browserStr += "Browser: " + navigator.appName + "\r" browserStr += "Version:" + navigator.appVersion + "\r" browserStr += "Codename: " + navigator.appCodeName + "\r" browserStr += "User agent: " + navigator.userAgent + "\r" alert(browserStr) } </SCRIPT> <BODY> <H1></H1> <FORM> <INPUT Type="button" Value="Show Browser Information" OnClick="displayBrowserInfo()" </INPUT> </FORM> </BODY> </HTML>