easonkoo-norepeat/index.js

两种数组去重的方式 顺序去重 倒序排序

//引入模块
let norepeat1 = require("./lib/norepeat");
//引入模块
let norepeat2 = require("./lib/norepeat1");

// var arr = [7,2,3,3,5,3,7,23,20]

// arr=norepeat2(arr);
// console.log(arr);
module.exports = {
    norepeat1,
    norepeat2
}