JS字符串和数组之间的转换

1、字符串转换为数组
var string = \'123,456,789\';
var stringResult = string.split(\',\');
console.log(stringResult) //输出["123", "456", "789"]

var string2 = \'abcdef\'
var string2Result = string2.split(\'\')
console.log(string2Result) //输出[\'a\',\'b\',\'c\',\'d\',\'e\',\'f\']
string2.split(",").map(Number);//输出[123,456,789]
JSON.parse("[" + string + "]"); //输出[123,456,789]

2、数组转换为字符串
var array = [\'abc\', \'def\', \'hig\']
var arrayResult = array.join(\',\')
console.log(arrayResult) // 输出"abc,def,hig"
array.toString()//输出"abc,def,hig"