Frontend System Design
/Expert
Design Google Docs
Definition
Google Docs requires extreme expertise in DOM manipulation (often utilizing `<canvas>` or `contenteditable`), and Operational Transformation (OT) or CRDT algorithms over WebSockets to sync cursor positions and text edits simultaneously across users.
Explain Like I'm New
A word processor where 50 people can type on the exact same line at the exact same time without the text getting jumbled or crashing the server.
Architecture & Flow
Interview Questions
basic
- What are the core requirements for Google Docs?
intermediate
- How do you handle edge cases and accessibility in Google Docs?
advanced
- How do you scale and optimize Google Docs for millions of concurrent users?
trick
- What happens to Google Docs if JavaScript is disabled?