Activities on BFE.dev

22h - GdtIqWS solved 20. name for Function expression .

22h - aixmD5A solved 29. implement async helper - `sequence()` .

22h - HKNHuYx solved 24. create a Priority Queue in JavaScript .

22h - GdtIqWS solved 16. parseInt .

22h - GdtIqWS solved 15. instanceOf .

22h - GdtIqWS solved 14. Addition vs Unary Plus .

22h - SREwE5v solved 48. Prototype .

23h - aixmD5A solved 28. implement clearAllTimeout() .

23h - aixmD5A solved 26. implement Object.assign() .

23h - 0tbEUFy solved 177. Implement Object.groupBy() .

2026-11-11 - OnQTa5K solved 74. How does @import works in CSS? What is the pros and cons .

2026-11-11 - HKNHuYx solved 91. invert a binary tree .

2026-11-11 - OnQTa5K solved 116. What is Singleton Pattern? .

2026-11-11 - PzG57j4 solved 6. implement basic debounce() .

2026-11-11 - vblPovr solved 99. closure .

2026-11-11 - HKNHuYx solved 78. convert HEX color to RGBA .

2026-11-11 - vblPovr solved 89. let .

2026-11-11 - yV1qIs7 solved 10. Equal .