typescript math round 2 decimals code example

Example 1: javascript round decimal 2 digits

var numb = 123.23454;
numb = numb.toFixed(2);

Example 2: best way to round to two typescript

const roundTo = function(num: number, places: number) {
  const factor = 10 ** places;
  return Math.round(num * factor) / factor;
};

roundTo(123.456, 2);  // 123.46
roundTo(123.3210, 2);  // 123.32
roundTo(123.456, 1);  // 123.5
roundTo(123, 2);  // 123

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