1const roundTo = function(num: number, places: number) {
2 const factor = 10 ** places;
3 return Math.round(num * factor) / factor;
4};
5
6roundTo(123.456, 2); // 123.46
7roundTo(123.3210, 2); // 123.32
8roundTo(123.456, 1); // 123.5
9roundTo(123, 2); // 123
10