How do you handle pagination with 1000 pages?
Use the ellipsis algorithm: [1, '...', current-1, current, current+1, '...', 1000]. Only 7 elements are shown regardless of total pages. This is compact and user-friendly. The user can click the first or last page to jump.
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More FAQs in Pagination Ellipsis Implementation in JavaScript
If total <= 7, show all pages. If current is near start: [1, 2, 3, 4, 5, '...', total]. If near end: [1, '...', total-4, total-3, total-2, total-1, total]. If in middle: [1, '...', current-1, current, current+1, '...', total].
When the total number of pages is more than 7 (or your chosen threshold). Showing 100 page buttons is impractical. Ellipsis keeps the pagination compact by showing the first, last, current, and neighbor pages with '...' for gaps.
Check if the page number is '...': if (p === '...') return '<span class="ellipsis">...</span>'. Otherwise, render a button. The ellipsis is a span (not a button, not clickable), while page numbers are buttons.
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