Array.from()
更多数组的操作参考 https://note.v2ee.cn/article?pid=10-1
将类数组(arguments)和可遍历的对象(Set、Map)转化为数组
// arguments
function a(){
console.log(Array.from(arguments));
}
a('a','ss','dd'); // ['a','ss','dd']
// Set
let set = new Set([1, 3, 3, 4, 4, 6]);
console.log(Array.from(set)); // [1, 3, 4, 6]
更多数组的操作参考 https://note.v2ee.cn/article?pid=10-1