Table défilante verticalement et horizontalement avec en-tête utilisant la propriété css "position:sticky".
La première colonne et l'en-tête sont figés.
* testé uniquement avec Firefox
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<html lang="fr">
<style>
table,
th,
td {
border-collapse: separate;
border-spacing: 0px;
position: relative;
font-family: 'Helvetica Neue", Helvetica, Arial'
}
table tr:first-child th {
border-top: 1px solid white;
}
table tr th:first-child,
table tr td:first-child {
border-left: 1px solid white;
}
table tr td:first-child {
font-weight: bold;
}
table tr th,
table tr td {
border-bottom: 1px solid white;
border-right: 1px solid white;
white-space: nowrap;
}
table tr:nth-child(2n) td {
background: #e9e9e9;
}
table tr:nth-child(2n+1) td {
background: #f6f6f6;
}
table>thead {
position: sticky;
top: 0;
z-index: 2;
background: #2980b9;
color: white;
}
table>tbody>tr>td:nth-child(1),
table>thead>tr>th:nth-child(1) {
position: sticky;
left: 0;
z-index: 1;
}
table>thead>tr>th:nth-child(1) {
background: #2980b9;
z-index: 3;
}
</style>
</head>
<body>
<div>
<h1>
En-tête
</h1>
</div>
<div style='max-height:200px;max-width:300px;overflow:auto;'>
<table>
<thead>
<tr>
<th colspan="4">Date</th>
</tr>
<tr>
<th>Année</th>
<th>Mois</th>
<th>Jour</th>
<th>Texte</th>
</thead>
<tbody>
</tr>
</tbody>
</table>
</div>
<div>
<h1>
Bas de page
</h1>
</div>
<script>
const optionsDate = {
weekday: "long",
year: "numeric",
month: "long",
day: "numeric"
};
const table = document.querySelector('table tbody');
let cpt, jourInitial = new Date(new Date().getFullYear(), 0, 1);
for (cpt = 0; cpt < 1000; cpt++) {
jour = new Date(jourInitial.getFullYear(), jourInitial.getMonth(), jourInitial.getDate() + cpt);
const ligne = table.insertRow(cpt);
const celluleAnnee = ligne.insertCell(0);
const celluleMois = ligne.insertCell(1);
const celluleJour = ligne.insertCell(2);
const celluleJourTexte = ligne.insertCell(3);
celluleAnnee.innerText = jour.getFullYear();
celluleMois.innerText = jour.toLocaleDateString('fr-fr', { month: "numeric" });
celluleJour.innerText = jour.getDate();
celluleJourTexte.innerText = jour.toLocaleDateString('fr-fr', optionsDate);
}
</script>
</body>
</html>