Language Details: JavaScript

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JavaScript is a prototype-based scripting language that is dynamic, weakly typed, and has first-class functions.

JavaScript article on Wikipedia

Problems solved

Qualification Round (1234 solutions by 317 contestants):
Round 1A (213 solutions by 93 contestants):
  • The Last Word: 91 small solutions, 75 large solutions.
  • Rank and File: 24 small solutions, 19 large solutions.
  • BFFs: 3 small solutions, 1 large solution.
Round 1B (121 solutions by 60 contestants):
Round 1C (88 solutions by 41 contestants):
Round 2 (10 solutions by 5 contestants):

Submission Origin

United States (72 contestants)
India (24 contestants)
Canada (21 contestants)
France (17 contestants)
Australia (13 contestants)
Thailand (12 contestants)
Germany (11 contestants)
Brazil (10 contestants)
Hong Kong (10 contestants)
Mexico (10 contestants)
China (7 contestants)
Spain (7 contestants)
Japan (6 contestants)
South Korea (6 contestants)
United Kingdom (6 contestants)
New Zealand (5 contestants)
Greece (4 contestants)
Israel (4 contestants)
Russia (4 contestants)
Singapore (4 contestants)
Switzerland (4 contestants)
Bulgaria (3 contestants)
Hungary (3 contestants)
Kenya (3 contestants)
Netherlands (3 contestants)
Pakistan (3 contestants)
Philippines (3 contestants)
Poland (3 contestants)
Romania (3 contestants)
Slovakia (3 contestants)
Taiwan (3 contestants)
Turkey (3 contestants)
Ukraine (3 contestants)
Argentina (2 contestants)
Austria (2 contestants)
Colombia (2 contestants)
Czech Republic (2 contestants)
Ireland (2 contestants)
Lithuania (2 contestants)
Moldova (2 contestants)
South Africa (2 contestants)
Sweden (2 contestants)
Algeria (1 contestant)
Andorra (1 contestant)
Armenia (1 contestant)
Bangladesh (1 contestant)
Bolivia (1 contestant)
Dominican Republic (1 contestant)
Egypt (1 contestant)
Finland (1 contestant)
Guatemala (1 contestant)
Iran (1 contestant)
Italy (1 contestant)
Kosovo (1 contestant)
Lebanon (1 contestant)
Morocco (1 contestant)
Paraguay (1 contestant)
Peru (1 contestant)
Portugal (1 contestant)
Trinidad and Tobago (1 contestant)
Venezuela (1 contestant)
Vietnam (1 contestant)