答案 0 :(得分:0)
它被称为视差滚动。您可以使用skrollr.js执行此类操作 并a great tutorial
答案 1 :(得分:0)
有很多关于粘贴标题的示例和教程,
Google搜索粘贴标题http://codepen.io/senff/pen/ayGvD
的第一个链接// Create a clone of the menu, right next to original.
$('.menu').addClass('original').clone().insertAfter('.menu').addClass('cloned').css('position','fixed').css('top','0').css('margin-top','0').css('z-index','500').removeClass('original').hide();
scrollIntervalID = setInterval(stickIt, 10);
function stickIt() {
var orgElementPos = $('.original').offset();
orgElementTop = orgElementPos.top;
if ($(window).scrollTop() >= (orgElementTop)) {
// scrolled past the original position; now only show the cloned, sticky element.
// Cloned element should always have same left position and width as original element.
orgElement = $('.original');
coordsOrgElement = orgElement.offset();
leftOrgElement = coordsOrgElement.left;
widthOrgElement = orgElement.width();
$('.cloned').css('left',leftOrgElement+'px').css('top',0).css('width',widthOrgElement+'px').show();
$('.original').css('visibility','hidden');
} else {
// not scrolled past the menu; only show the original menu.
$('.cloned').hide();
$('.original').css('visibility','visible');
}
}