JavaScript Reference/Javascript Properties/logicalYDPI

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"logicalYDPI" Example

   <source lang="javascript">

<html> <body> <script language="JavaScript"> function function1() { 

   var m = screen.logicalXDPI;
   var n = screen.logicalYDPI;
   alert("Screen XDPI =\n"+m); 
   alert("Screen YDPI =\n"+n);

} </script> <input type="button" value="Click me" onclick="function1();"> </body> </html> 


     </source>


"logicalYDPI" is applied to

   <source lang="javascript">

+----------------+--------------------------------------------------------------+ | Applied_To |screen | +----------------+--------------------------------------------------------------+ 

     </source>


"logicalYDPI" Syntax and Note

   <source lang="javascript">

Note: Read-only property. Returns the screen vertical dpi (dots per inch).

Syntax:

screen.logicalYDPI 


     </source>
Источник — «http://wbex.ru/index.php?title=JavaScript_Reference/Javascript_Properties/logicalYDPI&oldid=7365»