Function syncContainer

component-model/theme/tabs-a11y.js:47–58

(container)

    }

    function syncContainer(container) {
        container.querySelectorAll('.mdbook-tab').forEach(function (tab) {
            const isActive = tab.classList.contains('active');
            tab.setAttribute('aria-selected', isActive ? 'true' : 'false');
            // Roving tabindex: only the active tab is reachable via Tab key;
            // arrow keys move focus within the tablist.
            tab.setAttribute('tabindex', isActive ? '0' : '-1');
        });
        container.querySelectorAll('.mdbook-tab-content').forEach(function (pane) {
            pane.setAttribute('aria-hidden', pane.classList.contains('hidden') ? 'true' : 'false');
        });
    }

    function syncAll() {
        document.querySelectorAll('.mdbook-tabs-container').forEach(syncContainer);