'selector' Example
<html> <body> <style> @page:first { background-color: red } @page:left { background-color: blue } @page:right { background-color: orange } </style> <script language="JavaScript"> function function1() { var m = document.styleSheets[0].pages[1]; var n = m.selector; alert(n); } </script> <input type="button" value="Click here" onclick="function1();"> </body> </html>