mout
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Modular Utilities
14 lines (11 loc) • 427 B
JavaScript
/**
* Enforce a specific amount of decimal digits and also fix floating
* point rounding issues.
* @example `enforcePrecision(0.615, 2) -> 0.62`, `(0.615).toFixed(2) ->
* 0.61`
*/
function enforcePrecision(val, nDecimalDigits){
var pow = Math.pow(10, nDecimalDigits);
return +(Math.round(val * pow) / pow).toFixed(nDecimalDigits);
}
module.exports = enforcePrecision;