1. 把数组对象转换为Set对象
var arr = [1,2,3,4,5,6,7,6,6,7]; console.log(arr); var s = new Set(arr); console.log(s);
2. 把Set对象转为数组
var s = new Set([1,2,3,4]); console.log(s); var arr2 = [...s]; console.log(arr2);