摘要: var cars = ["Saab", "Volvo", "BMW"];console.log(" >" + cars.constructor) console.log(" >" + cars.length) console.log(" >" + cars.concat(cars,cars))//c 阅读全文
posted @ 2022-06-19 22:09 -和时间赛跑- 阅读(27) 评论(0) 推荐(0)