If you need a logarithm to other bases, use Math.log (x) / Math.log (otherBase) as in the example below; you might want to precalculate 1 / Math.log (otherBase) since multiplication in Math.log (x) * ...

JavaScript's Math.log (), Math.log2 () and Math.log10 () are useful for calculating logarithms in base e, 2 and 10 respectively. But what if you want to calculate the logarithm of a number in a ...