diff --git a/snippets/isPowerOfTen.md b/snippets/isPowerOfTen.md new file mode 100644 index 000000000..4ab69c2b3 --- /dev/null +++ b/snippets/isPowerOfTen.md @@ -0,0 +1,18 @@ +--- +title: isPowerOfTen +tags: math,beginner +--- + +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`. + +```js +const isPowerOfTen = n => Math.log10(n) % 1 === 0; +``` + +```js +isPowerOfTen(1); // true +isPowerOfTen(10); // true +isPowerOfTen(20); // false +```