摘要: var a = [1, 2, 3, 4] var b = a.slice(0) b[0] = 2 // a = [1, 2, 3, 4] // b = [2, 2, 3, 4] 阅读全文
posted @ 2018-07-15 12:06 Jack-liu 阅读(126) 评论(0) 推荐(0) 编辑