Activities on BFE.dev

2026-8-1 - ThwB0VO solved 100. `var` vs `let` .

2026-8-1 - ThwB0VO solved 7. Increment Operator .

2026-8-1 - Te1qjqQ solved 114. implement BigInt multiplication .

2026-8-1 - ThwB0VO solved 39. var .

2026-8-1 - OnQTa5K solved 49. `this` IV .

2026-8-1 - ThwB0VO solved 5. scope .

2026-8-1 - OnQTa5K solved 51. method .

2026-8-1 - ThwB0VO solved 4. Promise then callbacks II .

2026-8-1 - FTesEX5 solved 98. validate an IP address .

2026-8-1 - JV5tNDO solved 163. integer to roman numerals .

2026-8-1 - FTesEX5 solved 97. compress a string .

2026-8-1 - WT9ofMp solved 15. implement a simple DOM wrapper to support method chaining like jQuery .

2026-8-1 - FTesEX5 solved 96. count "1" in binary form .

2026-8-1 - FTesEX5 solved 95. implement String.prototype.trim() .

2026-8-1 - 3maxiCU solved 63. in .

2026-8-1 - 3maxiCU solved 62. MessageChannel .

2026-8-1 - 72WVthh solved 25. what is the angle between the hours and the minutes hands at 3:15 .

2026-8-1 - FTesEX5 solved 93. Generate Fibonacci Number with recursion .