rm-duplicates 一个数组去重的迷你package Installation $ npm install rm-duplicates Usage const removeDuplicates = require('rm-duplicates') let sourceArr = ['a', 'a', 'a', 'a', 'b', 'b', 'c', 'c', 'd', 'd']; let targetArr = removeDuplicates(sourceArr); console.info(targetArr) //targetArr: ['a', 'b', 'c', 'd']