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<!DOCTYPE html> <html> <body> <h2>JavaScript Math.log2()</h2> <p>Math.log2() returns the base 2 logarithm of a number.</p> <p>How many times must we multiply 2 to get 8?</p> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = Math.log2(8); </script> </body> </html>
