转成字符串 toString() 返回一个新的字符串; a = new Array(0,1,2,3,4); b = a.join(“”);//”01234” 不修改原数组 转成数组 var s = “abc,abcd,aaa”; ss = s.split(“,”);//[“abc”, “abcd”, “aaa”] 不修改原字符串 Previous NodeJS Next 必备的JS调试技巧汇总 CATALOG 转成字符串转成数组 FEATURED TAGS - 前端 - JavaScript js Javascript JS CSS Git 终端 ruby http FRIENDS W3school 简书 知乎 百度
