Web描述. 在一个类中只能有一个名为“constructor”的特殊方法。. 一个类中出现多次构造函数 ( constructor) 方法将会抛出一个 SyntaxError 错误。. 在一个构造方法中可以使用 super 关键字来调用一个父类的构造方法。. 如果没有显式指定构造方法,则会添加默认的 constructor ...
GLOBAL RANK
Alexa Reach
Page length
Alexa Rank Country N/A
Daily Unique Visitors
Monthly Unique Visitors
United States
126,607
Indonesia
99,024
Taiwan
32,199
United Kingdom
28,589
Brazil
25,866
Nigeria
22,610
Egypt
19,000
Hong Kong
17,934
Canada
17,934
Australia
15,626
Philippines
11,187
India
10,891
Malaysia
10,713
Spain
8,878
Germany
8,642
Mexico
8,287
France
7,813
Italy
7,221
Turkey
6,629
Iraq
6,037
Thailand
5,919
Netherlands
5,682
Israel
5,623
Cambodia
4,676
Algeria
3,611
Ireland
3,255
Romania
3,137
Jordan
2,900
Poland
2,782
Ghana
2,664
Argentina
2,545
South Africa
2,308
Belgium
2,072
Czechia
1,894
Ukraine
1,776
Japan
1,776
Morocco
1,716
South Korea
1,657
Lebanon
1,598
Saudi Arabia
1,539
Austria
1,480
Hungary
1,421
Sweden
1,361
Singapore
1,302
Pakistan
1,243
Bangladesh
1,184
Denmark
1,125
Greece
1,065
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