Activities on BFE.dev

2026-7-23 - bR9tviG solved 28. implement clearAllTimeout() .

2026-7-23 - GcNmuAH solved 23. create a sum() .

2026-7-23 - bR9tviG solved 25. Reorder array with new indexes .

2026-7-23 - GcNmuAH solved 20. Detect data type in JavaScript .

2026-7-23 - GcNmuAH solved 97. compress a string .

2026-7-23 - bR9tviG solved 15. implement a simple DOM wrapper to support method chaining like jQuery .

2026-7-23 - GcNmuAH solved 100. detect circle in linked list .

2026-7-23 - HczjawX solved 10. first bad version .

2026-7-23 - GcNmuAH solved 107. Find the largest difference .

2026-7-23 - bR9tviG solved 11. what is Composition? create a pipe() .

2026-7-23 - bR9tviG solved 8. can you shuffle() an array? .

2026-7-23 - HczjawX solved 9. decode message .

2026-7-23 - HczjawX solved 8. can you shuffle() an array? .