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round javascript Code Snippet in 2024

mathintermediate

Last Updated: 6 April 2024

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

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