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round

TS JS Deno

Rounds a number to a specified amount of digits.

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.

typescript
const round = (n: number, decimals = 0) =>
  Number(`${Math.round(Number(`${n}e${decimals}`))}e-${decimals}`);
typescript
round(1.005, 2); // 1.01