(function($) { $.mamewaza_scroll = function(cls) { if($.isEmptyObject(cls) ) { return ""; } var daemon = function() { var y = $(window).scrollTop() + $(window).height(); for(var i = arr.length - 1; i >= 0; i--) { if(arr[i].y > y) { break; } arr[i].elm.addClass(arr[i].cls); arr.splice(i, 1); } if(arr.length == 0) { $(window).unbind("scroll", daemon); } }; var arr = []; var y = $(window).scrollTop() + $(window).height(); for(var i = 0; i < cls.length; i++) { if(!cls[i] || !$("." + cls[i])[0]) { continue; } var j = 0; $("." + cls[i]).each(function() { var y_this = $(this).offset().top; if(y_this <= y) { return ""; } $(this).removeClass(cls[i]); arr.push( { "y": y_this, "elm": $(this), "cls": cls[i], } ); } ); } if(arr.length == 0) { return ""; } //sort arr.sort(function(a, b) { return b.y - a.y; } ); $(window).bind("scroll", daemon); daemon(); }; })(jQuery);
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