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Retrieving Hardware Information using Advanced JavaScript with Internet Explorer


This is the third article in a series focusing on retrieving hardware information using JavaScript and presenting the same on a web page. You can directly copy and paste the code samples presented in this article into a file with the extension “.htm” and open in Internet Explorer 5.5+.

Author Info:
By: Jagadish Chaterjee
Rating: 4 stars4 stars4 stars4 stars4 stars / 9
May 02, 2006
TABLE OF CONTENTS:
  1. · Retrieving Hardware Information using Advanced JavaScript with Internet Explorer
  2. · How to dig out a computer's processor information using JavaScript
  3. · How to retrieve a computer's motherboard information using JavaScript
  4. · How to retrieve a computer's floppy controller information using JavaScript
  5. · How to retrieve a computer's keyboard information using JavaScript

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Retrieving Hardware Information using Advanced JavaScript with Internet Explorer - How to retrieve a computer's motherboard information using JavaScript
(Page 3 of 5 )

Now, let us try to develop a simple script (JavaScript) which shows the technique for displaying the information related to the motherboard belonging to a computer. The entire code for the sample is as follows:

<!DOCTYPE  HTML  PUBLIC  "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
      <head>
            <title></title>
            <meta name="GENERATOR" content="Microsoft Visual Studio .NET
7.1">
            <meta name="vs_targetSchema" content=
"http://schemas.microsoft.com/intellisense/ie5">
            <script id="clientEventHandlersJS" language="javascript">
<!--

function Button1_onclick() {
      var locator = new ActiveXObject ("WbemScripting.SWbemLocator");
      var service = locator.ConnectServer(".");
      var properties = service.ExecQuery("SELECT * FROM Win32_BaseBoard");
      var e = new Enumerator (properties);
      document.write("<table border=1>");
      dispHeading();
      for (;!e.atEnd();e.moveNext ())
      {
            var p = e.item ();
            document.write("<tr>");
            document.write("<td>" + p.HostingBoard + "</td>");
            document.write("<td>" + p.Manufacturer + "</td>");
            document.write("<td>" + p.PoweredOn + "</td>");
            document.write("<td>" + p.Product + "</td>");
            document.write("<td>" + p.SerialNumber + "</td>");
            document.write("<td>" + p.Version + "</td>");
            document.write("</tr>");
      }
      document.write("</table>");
}

function dispHeading()
{
      document.write("<thead>");
      document.write("<td>HostingBoard</td>");
        document.write("<td>Manufacturer</td>");
        document.write("<td>PoweredOn</td>");
      document.write("<td>Product</td>");
      document.write("<td>SerialNumber</td>");
        document.write("<td>Version</td>");
      document.write("</thead>");
}

//-->
            </script>
      </head>
      <body>
            <INPUT id="Button1" type="button" value="Button" 
name="Button1" language="javascript" onclick="return Button1_onclick()">
      </body>
</html>

The above sample would automatically list all motherboards belonging to a computer. It mainly lists the manufacturer, product information, serial number of the motherboard and its version. To retrieve this information, I used a built-in class, “Win32_BaseBoard.” 

The “for” loop I used in the above code iterates for every motherboard present in the system and finally retrieves only the properties of that motherboard.


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