Rich text Editor
Staff-level frontend system design guide for building a rich-text editor (Notion/Google-Docs-style): document model, selection, input handling, formatting, undo/redo, collaboration, and performance.
Staff-level frontend system design guide for building a rich-text editor (Notion/Google-Docs-style): document model, selection, input handling, formatting, undo/redo, collaboration, and performance.
Staff-level frontend system design guide for a reusable tooltip system: CSS-only vs React/portal implementations, positioning/collision logic, accessibility, mobile design, and performance.