Round a number to a specific number of decimal places:
1.234→1.2
$ npm install --save round-to
const roundTo = require('round-to');
roundTo(1.234, 2);
//=> 1.23
roundTo.up(1.234, 2);
//=> 1.24
roundTo.down(1.234, 2);
//=> 1.23Numbers are rounded to a specific number of significant figures. Specifying a negative precision will round to any number of places to the left of the decimal.
roundTo(1234.56, -2);
//=> 1200Round the decimals with Math.round.
Round up the decimals with Math.ceil.
Round down the decimals with Math.floor.
Type: number
Type: number (integer)
Number of decimal places.
MIT © Sindre Sorhus