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nash403/roundTo.js

Created August 7, 2025 14:15
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Round a number in Javascript with specified number of decimals
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roundTo.js
function roundTo(n, digits) {
const factor = Math.pow(10, digits);
return Math.round(n * factor) / factor;
}
// roundTo(3.14159, 3); // 3.142
// roundTo(3.14159, 2); // 3.14
// roundTo(3.14159, 1); // 3.1
// roundTo(3.14159, 0); // 3
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