Nodejs Float Round roundTo(num, dec)

Method Source Code

Math.roundTo = function (num, dec) {
  return Math.round(num * Math.pow(10, dec)) / Math.pow(10, dec);
};

Related

1. round(value)

   Util.round = function(value) {
     return new Number((new Number(value)).toFixed(2));
   };
   

2. roundTo (num, to)

   Math.ceilTo = function roundTo (num, to) {
       if (num < to) {
           return to;
       var amount = to * Math.ceil(num / to);
       if (amount === 0) {
           amount = to;
       return amount;
   ...
   

3. roundTo(num, to)

   Math.roundTo = function roundTo (num, to) {
       if (num < to / 2) {
           return 0;
       var amount = to * Math.round(num / to);
       if (amount === 0) {
           amount = to;
       return amount;
   ...
   

4. decRound(num, decimals)

   function MyMath () {}
   MyMath.decRound = function(num, decimals){
       return Math.round(num*Math.pow(10,decimals))/Math.pow(10,decimals);