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杜恒 2021-06-16 11:21:11 +08:00
parent 9797185091
commit c52173b24c
4 changed files with 10 additions and 13 deletions
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2
assets/css/joe.global.min.css vendored
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2
assets/css/joe.global.min.scss
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@ -52,7 +52,7 @@
z-index: 1000;
background: var(--background);
box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.1);
transition: transform 0.35s;
transition: top 0.35s;
&__above {
position: relative;
z-index: 999;

17
assets/js/joe.global.js
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@ -526,24 +526,21 @@ document.addEventListener('DOMContentLoaded', () => {
const handleHeader = diffY => {
if (window.pageYOffset >= $('.joe_header').height() && diffY <= 0) {
$('.joe_header__below').addClass('active');
$('.joe_header').css('transform', `translate3d(0, -${$('.joe_header__above').height()}px, 0)`);
$('.joe_aside .joe_aside__item:last-child').css('top', $('.joe_header__below').height() + 15);
$('.joe_header').css('top', `-${$('.joe_header__above').height()}px`);
$('.joe_aside .joe_aside__item:last-child').css('top', $('.joe_header').height() - $('.joe_header__above').height() + 15);
} else {
$('.joe_header__below').removeClass('active');
$('.joe_header').css('transform', '');
$('.joe_header').css('top', 0);
$('.joe_aside .joe_aside__item:last-child').css('top', $('.joe_header').height() + 15);
}
};
let Y = window.pageYOffset;
handleHeader(Y);
let _debounce = null;
$(document).on('scroll', function () {
clearTimeout(_debounce);
_debounce = setTimeout(() => {
const diffY = Y - window.pageYOffset;
handleHeader(diffY);
Y = window.pageYOffset;
}, 15);
const diffY = Y - window.pageYOffset;
if (window.requestAnimationFrame) requestAnimationFrame(handleHeader.bind(null, diffY));
else handleHeader(diffY);
Y = window.pageYOffset;
});
}
});

2
assets/js/joe.global.min.js vendored
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