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round()

round(precision, value): number

Rounds a number to a specified precision.

Parameters​

precision​

number

The precision of the rounded output.

value​

number

The value to round.

Returns​

number

Throws​

Throws if precision is not an integer.

Example​

const value = round(1, 1.2345); // 1.2
const value = round(2, 1.2345); // 1.23
const value = round(3, 1.2345); // 1.235
const value = round(3.1, 1.2345); // Error