Math.round / Math.ceil / Math.floor : Rounds a number to the nearest integer. Math.log / Math.log10 / Math.log2 : Compute the natural logarithm, base-10 logarithm, and base-2 logarithm of a number.
At this point in the course, we discuss math in JavaScript — how we can use {{Glossary("Operator","operators")}} and other features to successfully manipulate numbers to do our bidding. Okay, maybe ...