portails/assets/js/scroll-lock.js

15 lines
426 B
JavaScript

// Adds scroll position lock for default docs sidebar
if (document.querySelector('#sidebar-default') !== null) {
let sidebar = document.getElementById('sidebar-default');
let pos = sessionStorage.getItem('sidebar-scroll');
if (pos !== null) {
sidebar.scrollTop = parseInt(pos, 10);
}
window.addEventListener('beforeunload', () => {
sessionStorage.setItem('sidebar-scroll', sidebar.scrollTop);
});
}