ES6 ...rest In Action

ES6 ...rest In Action

const arr = [
     2.48, 13.77,  8.64,
    20.17,  8.94,  8.07,
    12.05,  5.71, 17.54,
     2.63
  ];
// (10) [2.48, 13.77, 8.64, 20.17, 8.94, 8.07, 12.05, 5.71, 17.54, 2.63]

const [min, ...rest1] = arr.sort((a, b) => a - b > 0 ? 1 : -1);
// (10) [2.48, 2.63, 5.71, 8.07, 8.64, 8.94, 12.05, 13.77, 17.54, 20.17]

min;
// 2.48

const [max, ...rest2] = arr.sort((a, b) => a - b > 0 ? -1 : 1);
// (10) [20.17, 17.54, 13.77, 12.05, 8.94, 8.64, 8.07, 5.71, 2.63, 2.48]

max;
// 20.17

refs

最简单的方法实现微信红包的随机算法

https://www.cnblogs.com/xgqfrms/p/13688375.html

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