$(window).scroll(function(){
var sticky = $('.top-menu'),
scroll = $(window).scrollTop();
if (scroll >= 200){
sticky.addClass('fixed');
}else{
sticky.removeClass('fixed');
}
});
固定CSS粘头向下滑动效果
.fixed{
position: fixed;
background: red;
z-index: 1;
}
它工作正常,但我想我能做到这一点“的顶部开始生效滑下去”?
谢谢!
你能请张贴相关的HTML吗? – Jinandra 2014-10-09 19:58:08