JavaScript 中的高斯银行家舍入

JavaScript 中的高斯/银行家舍入

javascript
function roundToTwoDecimalPlaces(value) {
  var factor = Math.pow(10, 2);
  var roundedValue = (Math.round(value * factor) / factor).toFixed(2);
  return roundedValue;
}
var number1 = 3.145;
var number2 = 7.675;
var roundedNumber1 = roundToTwoDecimalPlaces(number1);
var roundedNumber2 = roundToTwoDecimalPlaces(number2);
console.log("原始数字:", number1, " 舍入后的数字:", roundedNumber1);
console.log("原始数字:", number2, " 舍入后的数字:", roundedNumber2);