捕獲剩余項(xiàng)
var [head, ...tail] = [1, 2, 3, 4];
console.log(tail);
// [2, 3, 4]
在生成器的作用
function* fibs() {
var a = 0;
var b = 1;
while (true) {
yield a;
[a, b] = [b, a + b];
}
}
var [first, second, third, fourth, fifth, sixth] = fibs();
console.log(sixth);
