![Round a number to a specified amount of digits](https://javascriptsource.com/wp-content/uploads/2021/09/Round-a-number-to-a-specified-amount-of-digits-702x526.jpg)
Use Math.round()
and template literals to round the number to the specified number of digits. Omit the second argument, decimals
, to round to an integer.
const round = (n, decimals = 0) =>
Number(`${Math.round(`${n}e${decimals}`)}e-${decimals}`);
// Example
round(1.005, 2); // 1.01