Activities on BFE.dev

2026-9-2 - i4wShzc solved 117. event delegation .

2026-9-2 - wxQvbV7 solved 166. validate number string .

2026-9-2 - qg6fY1X solved 105. find the first duplicate character in a string .

2026-9-2 - qg6fY1X solved 107. Find the largest difference .

2026-9-2 - qg6fY1X solved 111. Count palindromic substrings .

2026-9-2 - VMyky25 solved 10. implement Parameters<T> .

2026-9-2 - VMyky25 solved 9. implement NonNullable<T> .

2026-9-2 - VMyky25 solved 8. implement Extract<T, U> .

2026-9-2 - VMyky25 solved 7. implement Exclude<T, E> .

2026-9-2 - VMyky25 solved 6. implement Omit<T, K> .

2026-9-2 - VMyky25 solved 5. implement Pick<T, K> .

2026-9-2 - VMyky25 solved 4. implement Record<K, V> .

2026-9-2 - YWPIzY0 solved 16. create an Event Emitter .

2026-9-2 - wbhbzHN solved 39. var .

2026-9-2 - wbhbzHN solved 38. Hoisting IV .

2026-9-2 - VMyky25 solved 3. implement Readonly<T> .

2026-9-2 - VMyky25 solved 2. implement Required<T> .