下面代码的结果是var cars = ['bmw','qq','byd','glof']; cars.splice(2,0,'polo'); console.log(cars);
A: ["bmw", "qq", "byd", "polo", "glof"]
B: ["bmw", "qq", "polo", "glof"]
C: ["bmw", "qq", "polo", "byd", "glof"]
D: 以上都不对
A: ["bmw", "qq", "byd", "polo", "glof"]
B: ["bmw", "qq", "polo", "glof"]
C: ["bmw", "qq", "polo", "byd", "glof"]
D: 以上都不对
举一反三
- The use of BMW cars and Nokia ...of ___________ .
- 已知列表cars=['bmw','audi','toyota','subaru'],为了得到列表['subaru',<br/>'toyota', 'audi', 'bmw'],应该使用下面哪个方法(<br/>) A: cars.reverse() B: cars.reverse(True) C: cars.sort() D: sorted(cars)
- 下列是中国自主品牌汽车的是（）。 A: BMW B: BYD C: NISSAN D: HONDA
- $cars=array("Volvo"=>10,"BMW"=>5,"SAAB"=>23);___________可访问"BMW"对应的元素
- The use of BMW cars and Nokia phones in James Bond films are examples of