JavaScript (JS) href Example: HTML DOM Objects – Base Object – JavaScript (JS) href Example
JavaScript (JS) href Example: HTML DOM Objects – Base Object – JavaScript (JS) href Example
Purpose: – Illustrates the JavaScript syntax for the Base Object href Property .
Prerequistes:
- Install Visual Web Developer 2008
Syntax: BaseObject.href=”url” – Allows you to access the href for an BaseObject.
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 language
- 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 “DOMBase”
- Right-click folder named “HTMLDOMObjects” in solution explorer;
- add new folder;
- name of folder should be: DOMBase
- Add New subfolder to “DOMBase” subfolder named “BaseObjectProperties”
- Right-click subfolder named “DOMBase” in solution explorer;
- add new folder;
- name of folder should be: BaseObjectProperties
- Add HTML Page Named href to BaseObjectProperties subfolder
- Right-click BaseObjectProperties subfolder;
- add new item;
- Select HTML Page
- HTML Page name should be href
- Click on copy code in code below to copy code into HTML Page href.htm
- Right-click on HTML page href.htm and select view 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: href </title> <!-- *************************************************** * This example is from http://idealprogrammer.com * *************************************************** --> <base id="myBaseID" href="http://myqol.com" /> </head> <body> <a href="events_calendar.aspx" id="idEvents">Events</a><br /><br /> <a href="news_list.aspx" id="idNews">News</a><br /><br /> <a href="presenters.aspx" id="idPresenters">Presenters</a><br /><br /> <a href="free_trial.aspx" id="idFreeTrial">Free Trial</a><br /><br /> <script type="text/javascript"> //***************************************************** // DOM Objects //***************************************************** //***************************************************** // *** Base Object Properties *** //***************************************************** //***************************************************** // href //***************************************************** // SYNTAX: // object.href=href Allows you to retrieve or assign // href to Base object // Two ways to retrieve href // 1. GetElementsByTagName myObject=document.getElementsByTagName('base')[0]; document.write("Base - Using getElementsByTagName : " + myObject.href); document.write("<br />"); // 2. GetElementById document.write("Base - Using getElementById: "); document.write(document.getElementById('myBaseID').href); document.write("<br /><br />"); // Two ways to assign href // 1. GetElementById myThirdElement = document.getElementById('myBaseID'); myThirdElement.href = "http://www.google.com"; document.write("<br />IdealProgrammer href changed to google: ", myThirdElement.href); // 2. GetElementsByTagName myFourthElement = document.getElementsByTagName('base')[0]; myFourthElement.href = "http://www.yahoo.com"; document.write("<br />ProgressMonitor href changed to yahoo: ", myFourthElement.href) </script> </body> </html> |