Activities on BFE.dev

2026-10-18 - kaio_O created a post - improve function(O(n + m)) .

2026-10-18 - 8BYrNyN solved 34. implement `Promise.any()` .

2026-10-18 - LxGeowA solved 3. implement Array.prototype.flat() .

2026-10-18 - kaio_O solved 18. Improve a function .

2026-10-18 - SvNyu0A solved 5. implement throttle() with leading & trailing option .

2026-10-18 - kaio_O created a post - node store use DOM element as key without Map .

2026-10-18 - kaio_O solved 17. Create a simple store for DOM element .

2026-10-18 - 8BYrNyN solved 61. create your own `Function.prototype.call` .

2026-10-18 - 8BYrNyN solved 146. implement Array.prototype.reduce() .

2026-10-18 - 8BYrNyN solved 151. implement Array.prototype.map() .

2026-10-18 - godzilla7 solved 29. Hoisting III .

2026-10-18 - godzilla7 solved 24. Equality & Sameness .

2026-10-18 - OnQTa5K solved 137. What does`flex:1` mean? .

2026-10-18 - OnQTa5K solved 114. What is CSS pixel and device pixel? .