sample026.html

<!DOCTYPE html>
<html lang="en">
<body>
    <div style="position: absolute">absolute</div>
    <span style="position: absolute">absolute</span>
    <div>static</div>
    <div style="position: absolute">absolute</div>
    <div>static</div>
    <span style="position: absolute">absolute</span>
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
    <script> (function ($) {
     // Define custom filter by extending $.expr[':']     
     $.expr[':'].positionAbsolute = function (element)
     { return $(element).css('position') === 'absolute'; };
     // How many elements in the page are absolutely positioned?     
     alert($(':positionAbsolute').length); // Alerts "4"      
     // How many div elements are absolutely positioned?     
     alert($('div:positionAbsolute').length); // Alerts "2" 
 })(jQuery); </script>
</body>
</html>