    

   

           

         14  

    :=-

   

************************************

  :=-

          new 

     Object()

       car         

var car=new Objcet();

car.maker="Porsche";

car.model="Boxster";

car.color="Red";

alert(car.color+""+car.maker+""+car.model);

***
      new Objcet
***

          

       

var mondeo=new Object();

mondeo.badge="Mondeo";

mondeo.body="Saloon";

mondeo.doors=4;

mondeo.color="Red";

mondeo.engine="1.8litre";

var car=new Objcet();

car.maker="Ford";

car.model=mondeo;

alert(car.maker+""+car.model.badge+""+car.model.body);



   DOM

 Document Object Model(DOM)        

            

      HTML

 DOM             images[]  

document.images[]     document    

       

            html  

  document.images[0]         

   

   DOM      

 Netscape DOM    DOM 



       document.bgColor

document.bgColor = "black";


***
         
***

***
   self  window   self.bgColor
***


   :=-

     window       

Internet Explorer 5.5    Netscape 4.7

for(propertyName in window)

document.write(propertyName+",");


****
  window        document      DOM
****


  :=-

  navigator         

  

  navigator.appName   

  navigator.appVersion          

  

 =:-          

    


var browser = navigator.appName;

var version = navigator.appVersion;

alert(browser+"\n"+version);


****
              "i"     

       Netscape
****

   :=-

     document     dhtml

 Netscape   document.layers

   Microsoft   document.all

                 

 dhtml

             

   Netscape  Microsoft     

  

if(document.all)window.location = "ie-dhtml.html";

if(document.layers)window.location = "nn-dhtml.html";

else {

var oldnn = (navigator.appName == "Netscape"&& parseInt(navigator.appVersion)<4);

location = (oldnn) ? "nn-old.html" : "default.html"; }

}



   :=-

     active x       

      

            

if(navigator.platform == "Win16")var os="Windows3.1";

if(navigator.platform == "Mac")os="MacOS";

if(navigator.platform == "Win32")os="Windows95";

document.write("Operating system is" +os);



 Schockwave :=-

              

     Flash Macromedia        Schockwave 

   

  navigator.plugin        

      SchockKwave      

      


           

if((navigator.appName == "Microsoft Internet Explorer"

&&navigator.appVersion.indexOf("Mac") ==-1

&&navigator.appVersion.indexOf("3.1") == -1)

||

(navigator.plugins&&navigator.plugins["Shockwave Flash"])

||navigator.pulgins["Shockwave Flash 2.0"]) window.location = "playflash.html";

else

window.location = "noflash.html";



       Java :=-

           navigator.javaEnabled()

       

     navigator          



if(navigator.javaEnabled())

window.location = "javapage.html";

else

window.location = "nonjavapage.html";



*********************
******************************************
***************************************************************
************************************************************************************

           

        

             

           

         

   

hma2003h911@hotmail.com
