Number is power of ten

Angelos Chalaris · JavaScript, Math · Jan 6, 2021

Checks if the given number is a power of 10.

  • Use Math.log10() and the modulo operator (%) to determine if n is a power of 10.
const isPowerOfTen = n => Math.log10(n) % 1 === 0;
isPowerOfTen(1); // true
isPowerOfTen(10); // true
isPowerOfTen(20); // false

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