44 lines
1.1 KiB
HTML
44 lines
1.1 KiB
HTML
<script>
|
|
function hashLocate(hashValue) {
|
|
hashValue = hashValue.replace(/^.*#h-/, '');
|
|
var element = document.getElementById(hashValue);
|
|
|
|
if (!element) {
|
|
return;
|
|
}
|
|
|
|
var header = document.querySelector('header.site-header');
|
|
var headerRect = header.getBoundingClientRect();
|
|
var headerTop = Math.floor(headerRect.top);
|
|
var headerHeight = Math.floor(headerRect.height);
|
|
var scrollPos = getScrollPos();
|
|
var offsetY = element.offsetTop - (headerTop + headerHeight + 20);
|
|
|
|
if (offsetY == scrollPos.y) {
|
|
return;
|
|
}
|
|
|
|
if (headerTop == 0 && offsetY > scrollPos.y) {
|
|
offsetY += headerHeight + 2;
|
|
} else if (headerTop < 0 && offsetY < scrollPos.y) {
|
|
offsetY -= headerHeight - 2;
|
|
}
|
|
|
|
smoothScrollTo(offsetY);
|
|
}
|
|
|
|
// The first event occurred
|
|
window.addEventListener('load', function(event) {
|
|
if (window.location.hash) {
|
|
hashLocate(window.location.hash);
|
|
}
|
|
});
|
|
|
|
// The first event occurred
|
|
window.addEventListener('click', function(event) {
|
|
if (event.target.tagName.toLowerCase() == 'a') {
|
|
hashLocate(event.target.getAttribute('href'));
|
|
}
|
|
});
|
|
</script>
|