roundNumber()function
roundNumber(num: number, precision = 0): number
| Param | Type | |
|---|---|---|
num | number | The number to round. required |
precision | unknown | Maximum number of digits shown after the decimal point (defaults to 10). Defaults to 0 |
| Return | |
|---|---|
number | The number rounded to the specified precision. |
Round a number to a specified set of decimal places.
- Better than
Math.round()because it allows aprecisionargument. - Better than
num.toFixed()because it trims excess0zeroes.
Examples
roundNumber(1.2345, 2) // 1.23