Browser detection in javascript

Here is the article for accessing browser info like(Name, version, user agent, cookies enable or disable etc) through javascript it can be done through an object named navigator, navigator object have lots of properties e.g appName for Browser Name,appCodeName for getting Code Name, appVersion for getting browser version info, userAgent etc.

Click bellow and get your browser details

<input type="button" value="Get My Browser Info" id="Stxt" onclick="GetInfo()"/>
<script language="javascript" type="text/javascript">
function GetInfo() {
  myWindow ='', '', 'width=400,height=500');
  myWindow.document.write("<table border=1><tr><td align='center'>");
  myWindow.document.write("<b>", navigator.appName, "</b>");
  myWindow.document.write("<table border=1 cellpadding=2><tr>");

  myWindow.document.write("<td>Code Name: </td><td>");
  myWindow.document.write("<b>", navigator.appCodeName, "</td></tr>");

  myWindow.document.write("<tr><td>Version: </td><td>");
  myWindow.document.write("<b>", navigator.appVersion, "</td></tr>");

  myWindow.document.write("<tr><td>Platform: </td><td>");
  myWindow.document.write("<b>", navigator.platform, "</td></tr>");

  myWindow.document.write("<tr><td>Cookies Enabled: </td><td>");
  myWindow.document.write("<b>", navigator.cookieEnabled, " </td></tr>");

  myWindow.document.write("<tr><td>User-agent header: </td><td>");
  myWindow.document.write("<b>", navigator.userAgent, " </td></tr>");

  myWindow.document.write("<tr><td>Pages Viewed: </td><td>");
  myWindow.document.write("<b>", history.length, " </td></tr>");

  myWindow.document.write("<tr><td>Color depth: </td><td>");
  myWindow.document.write("<b>", window.screen.colorDepth, " Bits </td></tr>");

  myWindow.document.write("<tr><td>Screen Resolution: </td><td>");
  myWindow.document.write("<b>", screen.width, " x ", screen.height, "</td></tr>");



Note that the version number at the start of the value (up to the first whitespace) is not indicative of the actual browser application version, but rather of the fundamental engine. Thus, IE application Versions 4 through 6 (and perhaps later) all report engine Version 4.0; Netscape 6 is based on what it terms engine generation 5.0. Browser application version information is found elsewhere either in the appVersion, userAgent, or other navigator object properties. Do not use the first word of the appVersion value for any kind of browser version detection that influences which DOM or JavaScript language features are supported by the browser. In browsers leading up to Version 4, this property correctly reflected the application version, but that is no longer the case.

While it may appear that the precise Internet Explorer version is embedded in this property's value (as MSIE X.XX), there are occasional mismatches in some versions. To inspect this portion of the version string, the navigator.userAgent property is more reliable.

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