className Example JavaScript (JS): HTML DOM Objects – Anchor Object – className Example JavaScript (JS)

className Example JavaScript (JS): HTML DOM Objects – Anchor Object – className Example JavaScript (JS)

Purpose: – Illustrates the for the .

View Other Anchor Object Properties and Methods

Prerequistes:

Syntax: object.className=name – Allows you to retrieve or assign className.

Restrictions: None

Notes:

  • You can build your own library of syntax examples by using same web site over and over and just add new files to it.

Instructions:

  1. Use Visual Web Developer 2008
  2. Create new web site;
    • Click File/New Web Site
    • Select ASP.NET Website Template
    • Select C-Sharp for Language
    • name of Web Site could be JavaScript_Syntax.
  3. Folder

  4. Add New folder named “HTMLDOMObjects”
    • Right-click project name in solution explorer;
    • add new folder;
    • name of folder should be: HTMLDOMObjects
  5. Add New subfolder to “HTMLDOMObjects” folder named “DOMAnchor”
    • Right-click folder named “HTMLDOMObjects” in solution explorer;
    • add new folder;
    • name of folder should be: DOMAnchor
  6. Add New subfolder to “DOMAnchor” subfolder named “StandardProperties”
    • Right-click subfolder named “DOMAnchor” in solution explorer;
    • add new folder;
    • name of folder should be: StandardProperties
  7. Add HTML Page Named className to StandardProperties subfolder
    • Right-click StandardProperties subfolder;
    • add new item;
    • Select HTML Page
    • HTML Page name should be className
  8. Click on copy code in code below to copy code into HTML Page className.htm
  9. Right-click on HTML page className.htm and select view in browser
  10. < !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
     
    <html>
      <head>
        <title>IdealProgrammer.com: className </title>
        <!-- 
        ***************************************************
        * This example is from http://idealprogrammer.com *
        ***************************************************
        -->
        <style type="text/css" id="myStyle" >
     
           .myButtons
            {
                font-size:large;
            }
            .myButton2
            {
                font-size:xx-small;
            }
            .myButton3
            {
                background-color:#d0e4fe;
            }
     
     
        </style>
     
     
       </head>
      <body>
          <input id="Button1" type="button" class="myButtons" value="button" /><br /><br />
          <input id="Button2" type="button" class="myButton2" value="button" /><br /><br />
          <input id="Button3" type="button" class="myButton3" value="button" /><br /><br />
       <script type="text/javascript">
           //*****************************************************
           // DOM Objects
           //*****************************************************
     
     
           //*****************************************************
           //    ***    Anchor Object - Standard Properties   ***
           //*****************************************************
     
           //*****************************************************
           // className
           //*****************************************************
     
           //    SYNTAX:
           //    object.className=name  Allows you to retrieve or assign className
     
           // Two ways to retrieve className   
           //   1. GetElementsByTagName
                myObject=document.getElementsByTagName('input')[0];
                document.write("Using getElementsByTagName: " + myObject.className);
                document.write("<br />");
          //   2. GetElementById
                document.write("Using getElementById: ");
                document.write(document.getElementById('Button1').className);
     
     
           // Two ways to assign className
     
           //   1. GetElementById
                document.getElementById('Button2').className = "myButton2"
           //   2. GetElementsByTagName      
                myThirdButton = document.getElementsByTagName('input')[2];
                myThirdButton.className = "myButton3";
     
    </script>
     
      </body>
    </html>