test timestamp

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2025-08-25 11:42:54 +02:00
parent 5828a6ee48
commit 1a2b076fe1

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Test Timestamp</title>
<script src="https://cdn.jsdelivr.net/npm/dayjs@1/dayjs.min.js"></script>
</head>
<body>
<h1>Test Timestamp avec Day.js</h1>
<pre id="output"></pre>
<script>
(function(){
const output = document.getElementById("output");
function log(...args) {
console.log(...args);
output.textContent += args.join(" ") + "\n";
}
// Timestamp avec dayjs
const tsNow = dayjs().valueOf();
log("Timestamp dayjs().valueOf():", tsNow);
// Timestamp Date.now()
const tsSystem = Date.now();
log("Timestamp Date.now():", tsSystem);
// Différence
log("Différence (ms) :", tsNow - tsSystem);
// Conversion en date
log("Date locale :", new Date(tsNow).toString());
log("Date UTC :", new Date(tsNow).toUTCString());
// Vérification simple
if (tsNow - tsSystem > 5000 || tsNow - tsSystem < -5000) {
log("⚠️ Attention : décalage > 5s entre dayjs() et Date.now()");
} else {
log("✔ Timestamp cohérent");
}
})();
</script>
</body>
</html>