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杜恒
2021-06-16 13:25:09 +08:00
parent c52173b24c
commit 98d570bf8b
4 changed files with 36 additions and 24 deletions
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47
assets/js/joe.global.js
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@@ -522,25 +522,34 @@ document.addEventListener('DOMContentLoaded', () => {
}
}
/* 头部滚动 */
{
const handleHeader = diffY => {
if (window.pageYOffset >= $('.joe_header').height() && diffY <= 0) {
$('.joe_header__below').addClass('active');
$('.joe_header').css('top', `-${$('.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('top', 0);
$('.joe_aside .joe_aside__item:last-child').css('top', $('.joe_header').height() + 15);
}
};
let Y = window.pageYOffset;
handleHeader(Y);
$(document).on('scroll', function () {
const diffY = Y - window.pageYOffset;
if (window.requestAnimationFrame) requestAnimationFrame(handleHeader.bind(null, diffY));
else handleHeader(diffY);
Y = window.pageYOffset;
});
if (!window.Joe.IS_MOBILE) {
let flag = true;
const handleHeader = diffY => {
if (window.pageYOffset >= $('.joe_header').height() && diffY <= 0) {
if (flag) return;
$('.joe_header').addClass('active');
$('.joe_aside .joe_aside__item:last-child').css('top', $('.joe_header').height() - 60 + 15);
flag = true;
} else {
if (!flag) return;
$('.joe_header').removeClass('active');
$('.joe_aside .joe_aside__item:last-child').css('top', $('.joe_header').height() + 15);
flag = false;
}
};
let Y = window.pageYOffset;
handleHeader(Y);
let _last = Date.now();
document.addEventListener('scroll', () => {
let _now = Date.now();
if (_now - _last > 15) {
handleHeader(Y - window.pageYOffset);
Y = window.pageYOffset;
}
_last = _now;
});
}
}
});

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