Sticky Header - Scroll - CSS / jQuery
问题 I wish to create a sticky header. Everytime that the user scrolls down AND the original header goes away, then the "sticky" header should kick in. I currently use this: $(function(){ // Check the initial Poistion of the Sticky Header var stickyHeaderTop = $('#sticky').offset().top; $(window).scroll(function(){ if( $(window).scrollTop() > stickyHeaderTop ) { //$('#sticky').css({position: 'fixed', top: '0px', float: 'right'}); $('#sticky').addClass("sticky"); } else { $('#sticky').removeClass(