fixedBox固定div漂浮代码支持ie6以上大部分主流浏览器_javascript技巧

'); fb.after(cd); fb.css({ 'z-index': 999 }).data({ 'top': fb.offset().top, 'left': fb.offset().left }); $(window).scroll(function() { var pt = fb.data('top'); var pl = fb.data('left'); var st = $(document).scrollTop() - 10; var h = $(document).height(); if (st > pt || st == pt) { cd.show(); if ((st + self.outerHeight()) > h) { self.css({ position: 'fixed', top: (h - (st + self.outerHeight())) }); } else { self.css({ position: 'fixed', top: 0 - mt }); } } else { cd.hide(); self.css({ position: 'relative', top: 0 }); } }) }) })