The answer
Less common than standard questions (OTP, autocomplete, pagination). They appear in senior-level interviews or at companies that test algorithms and complex UI. Practice them after mastering the common and intermediate questions.
Bonus: Advanced Machine Coding Questions to Practice
Are advanced machine coding questions common in frontend interviews?
More FAQs in Bonus: Advanced Machine Coding Questions to Practice
Chess board with move validation, maze solver visualizer, LRU cache visualizer, form builder (drag and drop), JSON tree viewer, markdown editor with live preview, and kanban board with drag and drop. These test complex state, algorithms, and interactions.
Create columns (To Do, In Progress, Done) with cards. Use the Drag and Drop API to move cards between columns. Track card state (which column, order). Add/edit/delete cards. Re-render on changes. This tests drag-and-drop and multi-list state management.
Create a grid with walls. Implement BFS or DFS. Animate the search (setInterval or requestAnimationFrame) to show visited cells. Highlight the shortest path when found. This tests algorithms and animation.
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