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pistou/roundToPow.js

Last active January 21, 2021 14:10
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Round number to closest power of X
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roundToPow.js
function roundToPow(n, pow = 10) {
const p = Math.pow(pow, Math.round(n).toString().length - 1);
return Math.round(n / p) * p;
}
console.log(roundToPow(997)); // 1000
console.log(roundToPow(12457)); // 10000
console.log(roundToPow(13,3)); // 12
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