yangtao-js/src/number/getAverage.js

A JavaScript utility library , JavaScript 实用工具库

/**
 * @description: 计算参数的平均值
 * @param { Number } num 目标数字,不限制参数数量
 * @return { Number } 所有参数的平均数
 */
const getAverage = (...args) => args.reduce((a, b) => a + b) / args.length;

/** 用法

  const result1 = getAverage(1,2,3,4)
  const result2 = getAverage(1,2,3,4,5,6,7,8)

  console.log(result1) // 2.5
  console.log(result2) // 4.4

 */

export default getAverage;