Skip to main content

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 = window.open('', '', 'width=400,height=500');
  myWindow.document.write("<center>");
  myWindow.document.write("<table border=1><tr><td align='center'>");
  myWindow.document.write("<b>", navigator.appName, "</b>");
  myWindow.document.write("</td></tr><tr><td>");
  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>");

  myWindow.document.write("</table></tr></td></table>");
  myWindow.document.write("</center>");
}
</script>

 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.
Labels:

Popular posts from this blog

Uploading large file in chunks in Asp.net Mvc c# from Javascript ajax
Often we have a requirement to upload files in Asp.net, Mvc c# application but when it comes to uploading larger file, we always think how to do it as uploading large file in one go have many challenges like UI responsiveness, If network fluctuate for a moment in between then uploading task get breaks and user have to upload it again etc.

Read More »

Regular expression for alphanumeric with space in asp.net c#
How to validate that string contains only alphanumeric value with some spacial character and with whitespace and how to validate that user can only input alphanumeric with given special character or space in a textbox (like name fields or remarks fields). In remarks fields we don't want that user can enter anything, user can only able to enter alphanumeric with white space and some spacial character like -,. etc if you allow. Some of regular expression given below for validating alphanumeric value only, alphanumeric with whitspace only and alphanumeric with whitespace and some special characters.

Read More »

How to handle click event of linkbutton inside gridview
Recently I have posted how to sort only current page of gridview , Scrollble gridview with fixed header through javascript , File upload control inside gridview during postback and now i am going to explain how to handle click event of linkbutton or any button type control inside gridview. We can handle click event of any button type control inside gridview by two way first is through event bubbling and second one is directly (in this type of event handling we need to access current girdviewrow container)

Read More »

regex - check if a string contains only alphabets c#
How to validate that input string contains only alphabets, validating that textbox contains only alphabets (letter), so here is some of the ways for doing such task. char have a property named isLetter which is for checking if character is a letter or not, or you can check by the regular expression  or you can validate your textbox through regular expression validator in asp.net. Following code demonstrating the various ways of implementation.

Read More »