gistfile1.js

(function() {
  (function(root, factory) {
    if (typeof define === 'function' && define.amd) {
      return define('jquery.in-viewport', ['jquery'], function($) {
        return factory($, root);
      });
    } else {
      return factory(root.jQuery, root);
    }
  })(this, function($, window) {
    var $win = $(window);

    $.extend($.expr[':'], {
        "in-viewport": function(element) {
            var viewport = {
                top : $win.scrollTop(),
                left : $win.scrollLeft()
            };
            viewport.right = viewport.left + $win.width();
            viewport.bottom = viewport.top + $win.height();
            var bounds = $(element).offset();
            bounds.right = bounds.left + $(element).outerWidth();
            bounds.bottom = bounds.top + $(element).outerHeight();
            return (!(viewport.right < bounds.left || viewport.left > bounds.right || viewport.bottom < bounds.top || viewport.top > bounds.bottom));
        }
    });

    });
}).call(this);

gmail.com,,))))))))######,,,,.....+++++++///////>>>><<<<<

gmail.com,,))))))))######,,,,.....+++++++///////>>>><<<<<