JavaScript Reference/Javascript Properties/screenTop

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"screenTop" Example

   <source lang="javascript">

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

   var m = ""
   m = "The top coordinate is: " + window.screenTop + "\n";
   alert(m);

} </script> <body bottommargin="150"> <input type="button" value="Extract the coordinates" onclick="function1();"> </body> </html> 


     </source>


"screenTop" is applied to

   <source lang="javascript">

+----------------+--------------------------------------------------------------+ | Applied_To |window | +----------------+--------------------------------------------------------------+ 

     </source>


"screenTop" Syntax and Note

   <source lang="javascript">

Note: Read-only properties. Return the browser window top-left corner coordinates.

Syntax:

window.screenLeft window.screenTop 


     </source>
Источник — «http://wbex.ru/index.php?title=JavaScript_Reference/Javascript_Properties/screenTop&oldid=6991»