js数组转字符串,字符串转数组方法,字符串转成数组js

JS字符串转数组 var str = "abc,abcd,aaa";arr = str.split(",");// 在每个逗号(,)处进行分解。console.log(arr)//["abc", "abcd", "aaa"] JS数组转字符串 var a, b;a = new Array(0,1,2,3,4);b = a.join("-");//或者var a, b;a = [0,1,2,3,4,0];b = a.join(",");console.log(b)//0,1,2,3,4,0