JavaScript (JS) dir Example: HTML DOM Objects – Area Object – JavaScript (JS) dir Example

JavaScript (JS) dir Example: HTML DOM Objects – Area Object – JavaScript (JS) dir Example

Purpose: – Illustrates the for the .

View Other Area Object Properties

Prerequistes:

Syntax: AreaObject.dir – Allows you to add dir to an AreaObject

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 hrefuage
    • 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 “DOMArea”
    • Right-click folder named “HTMLDOMObjects” in solution explorer;
    • add new folder;
    • name of folder should be: DOMArea
  6. Add New subfolder to “DOMArea” subfolder named “StandardProperties”
    • Right-click subfolder named “DOMArea” in solution explorer;
    • add new folder;
    • name of folder should be: StandardProperties
  7. Add HTML Page Named dir to StandardProperties subfolder
    • Right-click StandardProperties subfolder;
    • add new item;
    • Select HTML Page
    • HTML Page name should be dir
  8. Click on copy code in code below to copy code into HTML Page dir.htm
  9. Right-click on HTML page dir.htm and select view in browser
View Example In Browser
< !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: dir </title>
    <!-- 
    ***************************************************
    * This example is from http://idealprogrammer.com *
    ***************************************************
    -->
 
 
 
   </head>
  <body>
      <input id="Button1" type="button" dir="ltr" value="button" /><br /><br />
      <input id="Button2" type="button" dir="ltr" value="button" /><br /><br />
      <input id="Button3" type="button" dir="ltr" value="button" /><br /><br />
   <script type="text/javascript">
       //*****************************************************
       // DOM Objects
       //*****************************************************
 
 
       //*****************************************************
       //    ***    Area Object - Standard Properties   ***
       //*****************************************************
 
       //*****************************************************
       // dir
       //*****************************************************
 
       //    SYNTAX:
       //    object.dir="rtl" or "ltr"  Allows you to retrieve or assign text 
       //               direction to an element
 
       // Two ways to retrieve dir   
       //   1. GetElementsByTagName
            myObject=document.getElementsByTagName('input')[0];
            document.write("Using getElementsByTagName: " + myObject.dir);
            document.write("<br />");
      //   2. GetElementById
            document.write("Using getElementById: ");
            document.write(document.getElementById('Button1').dir);
 
       // Two ways to assign dir
 
       //   1. GetElementById
            document.getElementById('Button2').dir = "ltr"
       //   2. GetElementsByTagName      
            myThirdButton = document.getElementsByTagName('input')[2];
            myThirdButton.dir = "rtl";
            document.write("<br />Direction changed to rtl: ", myThirdButton.dir)
 
</script>
 
  </body>
</html>