js字符串转数组 数组转字符串

数组转字符串

var aa = ['a','b','c','d','e'];
var bb = aa.join(',');
console.log(bb);

输出结果为：a,b,c,d,e

字符串转数组

var aa = 'a,b,c,d,e';
var bb = aa.split(',');
console.log(bb);

输出结果为：

['a','b','c','d','e']