Edit This Code:
<!DOCTYPE html>
<html>
<body>

<p>Numeric constants, preceded by 0x, are interpreted as hexadecimal.</p>

<button onclick="myFunction()">Try it</button>

<p id="demo"></p>

<script>
function myFunction() {
    document.getElementById("demo").innerHTML = "0xFF = " + 0xFF;
}
</script>

</body>
</html>




Result:
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