摘要:
<script> let a = [1,2,3,4,2,42,1,5,23,212,13,42,4] let b = a.reduce((prev,cur)=> { prev.indexOf(cur) -1 && prev.push(cur) return prev },[]) console.lo 阅读全文
摘要:
安装 npm install pinyin --save 调用 const pinyin = require("pinyin"); let name = "隔壁老樊"; let a = pinyin(name[0], { style: pinyin.STYLE_FIRST_LETTER }); co 阅读全文