摘要: let[a,...arr]=[1,2,3,4];//a==>1 arr==>[2,3,4] let [x, y, ...z] = ['a'];//a==>'a' y==>undefined z==> [] let [a, [b], d] = [1, [2, 3], 4];//a==>1 b==>2 阅读全文
posted @ 2019-12-01 19:52 空白扉页 阅读(587) 评论(0) 推荐(0) 编辑