十进制数字相加方法

ts

/*
 * @description 十进制数字相加
 * @param { number } num1 -数字1
 * @param { number } num2 -数字2
 * @returns { number }
 * @example
 * add(0.1,0.2)  => 0.3
 */
function add(num1: number, num2: number): number {
  const len1 = (num1.toString().split(".") || "").length;
  const len2 = (num2.toString().split(".") || "").length;
  const maxLen = Math.max(len1, len2);
  const multiple = Math.pow(10, maxLen);
  return (num1 * multiple + num2 * multiple) / multiple;
}

js

/*
 * @description 十进制数字相加
 * @param { number } num1 -数字1
 * @param { number } num2 -数字2
 * @returns { number }
 * @example
 * add(0.1,0.2)  => 0.3
 */
function add(num1, num2) {
    var len1 = (num1.toString().split(".") || "").length;
    var len2 = (num2.toString().split(".") || "").length;
    var maxLen = Math.max(len1, len2);
    var multiple = Math.pow(10, maxLen);
    return (num1 * multiple + num2 * multiple) / multiple;
}