How to find the logarithm of a number with specified base

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Find the logarithm of a number (y) with specified base (x). log x Y function baseLog(x, y) { return Math .log(y) / Math .log(x); } Usage: console.log(baseLog( 5 , 25 )); // 2 console.log(baseLog( 7 , 49 )); // 2 console.log(baseLog( 2 , 8 )); // 3 console.log(baseLog( 4 , 64 )); // 3 console.log(baseLog( 2 , 16 )); // 4

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