https://fpt.vn/frontend_layout_2025_vibecode/assets/js/vat-tooltip.js?v=v1.50.17

1/**
2 * VAT Tooltip Toggle
3 * Handles click toggle for VAT information tooltips
4 * Uses wrapper positioning for consistent tooltip placement
5 */
6
7function toggleVatTooltip(icon) {
8    const tooltip = icon.nextElementSibling;
9    const allTooltips = document.querySelectorAll('.vat-tooltip');
10
11    // Close all other tooltips
12    allTooltips.forEach(t => {
13        if (t !== tooltip) {
14            t.classList.remove('active');
15        }
16    });
17
18    // Toggle current tooltip
19    tooltip.classList.toggle('active');
20
21    // Close tooltip when clicking outside
22    if (tooltip.classList.contains('active')) {
23        setTimeout(() => {
24            document.addEventListener('click', function closeTooltip(e) {
25                if (!icon.contains(e.target) && !tooltip.contains(e.target)) {
26                    tooltip.classList.remove('active');
27                    document.removeEventListener('click', closeTooltip);
28                }
29            });
30        }, 0);
31    }
32}