Provides JavaScript helper methods to expand and collapse all items in a Bootstrap 5.3 accordion

accordionUtilities.js

function expandAll() {
    document.querySelectorAll('.accordion-collapse').forEach(item => {
        let bsCollapse = new bootstrap.Collapse(item, { toggle: false });
        bsCollapse.show();
    });
}

function collapseAll() {
    document.querySelectorAll('.accordion-collapse').forEach(item => {
        let bsCollapse = new bootstrap.Collapse(item, { toggle: false });
        bsCollapse.hide();
    });
}