JavaScript (JS) dir Example: HTML DOM Objects – Area Object – JavaScript (JS) dir Example
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JavaScript (JS) dir Example: HTML DOM Objects – Area Object – JavaScript (JS) dir Example
Purpose: – Illustrates the JavaScript syntax for the Area Object dir Property .
Prerequistes:
- Install Visual Web Developer 2008
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:
- Use Visual Web Developer 2008
- 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.
- Add New folder named "HTMLDOMObjects"
- Right-click project name in solution explorer;
- add new folder;
- name of folder should be: HTMLDOMObjects
- 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
- 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
- Add HTML Page Named dir to StandardProperties subfolder
- Right-click StandardProperties subfolder;
- add new item;
- Select HTML Page
- HTML Page name should be dir
- Click on copy code in code below to copy code into HTML Page dir.htm
- Right-click on HTML page dir.htm and select view in browser
| HTML | | copy code | | ? |
< !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> |
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