
The JavaScript Math.log2() returns the base-2 logarithm of a number.
Syntax:
Math.log2(number)
Note: A Number, representing the base-2 logarithm of a number.
If the number is -1, -Infinity is returned.
If the number is less than -1, it returns NaN
Example:
<!DOCTYPE html>
<html>
<body>
<button onclick="log2Function()">Try it</button>
<p id="example"></p>
<script>
function log2Function() {
var a = Math.log2(2.225);
var b = Math.log2(2);
var c = Math.log2(1);
var d = Math.log2(0);
var e = Math.log2(-1);
var x = a + "<br>" + b + "<br>" + c + "<br>" + d + "<br>" + e;
document.getElementById("example").innerHTML = x;
}
</script>
</body>
</html>
Output:
Return the base 2 logarithm of different numbers:
Enjoy coding!
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