<!DOCTYPE html> <html lang="fr"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Tableau avec Sticky Header et Sticky Colonne</title> <style> table { width: 100%; max-width: 1200px; max-height: 400px; border-collapse: collapse; overflow: auto; display: block; } th, td { padding: 10px; border: 1px solid #ccc; text-align: center; } /* Sticky Header */ th { background-color: #f2f2f2; position: sticky; top: 0; z-index: 2; } /* Sticky First Column */ td:first-child, th:first-child { background-color: #f2f2f2; position: sticky; left: 0; z-index: 1; } /* Défilement du tableau */ .table-wrapper { overflow: auto; max-height: 400px; } </style> </head> <body> <div class="table-wrapper"> <table> <thead> <tr> <th></th> <!-- Création des en-têtes de colonnes (50 colonnes) --> <?php for ($i = 1; $i <= 50; $i++): ?> <th>Col <?php echo $i; ?></th> <?php endfor; ?> </tr> </thead> <tbody> <!-- Création des lignes --> <?php for ($i = 1; $i <= 50; $i++): ?> <tr> <td>Row <?php echo $i; ?></td> <!-- Création des cellules de données --> <?php for ($j = 1; $j <= 50; $j++): ?> <td>Data <?php echo $i . "-" . $j; ?></td> <?php endfor; ?> </tr> <?php endfor; ?> </tbody> </table> </div> </body> </html>