10 examples of 'round to 2 decimal places javascript' in JavaScript

11
function roundOne(decimalNumber) {
12
  return roundTo(decimalNumber, 1);
13
}

17
function roundTo(value, places) {
18
  var mult = Math.pow(10, places);
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  return Math.round(value * mult) / mult;
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}

11
function roundNumber(number,decimalPlaces)  //Used to round a number to a certain number of decimal places.
12
{
13
var placeSetter = Math.pow(10, decimalPlaces);
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number = Math.round(number * placeSetter) / placeSetter;
15
return number;
16
}

157
static round(value, decimals) {
158
  return Number(`${Math.round(`${value}e${decimals}`)}e-${decimals}`)
159
}

59
function round(value, decimals) {
60
	return Number(Math.round(value + 'e' + decimals) + 'e-' + decimals);
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}

1
export function round(value: any, decimals: any) {
2
	if (!decimals) decimals = 0;
3
	return Number(Math.round(Number(value + 'e' + decimals)) + 'e-' + decimals);
4
}

125
static roundDecimal(number, precision) {
126
    let factor = Math.pow(10, precision);
127
    return Math.round(number * factor) / factor;
128
}

1694
function precisionRound(number, precision) {
1695
   var factor = Math.pow(10, precision);
1696
   return Math.round(number * factor) / factor;
1697
}

61
export function roundDown(
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  value: BigNumber.Value,
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  decimals: number = 2,
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  roundingTolerance: number = 0
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): BigNumber {
66
  if (roundingTolerance) {
67
    value = new BigNumber(value).decimalPlaces(
68
      decimals + roundingTolerance,
69
      BigNumber.ROUND_HALF_DOWN
70
    )
71
  }
72
  return new BigNumber(value).decimalPlaces(decimals, BigNumber.ROUND_DOWN)
73
}

311
function convertDecimal(value, surroundDecimalsWith) {
312
    if (/^-?([0]|([1-9][0-9]*))(\.[0-9]+)?$/.test(value) == false) {
313
        throw new Error("value supposed to be a decimal number but got: " + value);
314
    }
315
    if (surroundDecimalsWith) {
316
        return {
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            value: value,
318
            toJSON: function () {
319
                return surroundDecimalsWith.str + value + surroundDecimalsWith.str;
320
            }
321
        };
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    }
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    else {
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        return value;
325
    }
326
}