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<body>
<h1>JavaScript Dates</h1>
<h2>Using new Date()</h2>
<p>-100000000000 milliseconds from January 01 1970 UTC is:</p>
<p id="demo"></p>
<script>
const d = new Date(-100000000000);
document.getElementById("demo").innerHTML = d;
</script>
</body>
</html>