What is WebSocket?
A persistent connection between browser and server that allows instant two-way communication
Why It Matters
WebSockets enable real-time features like live notifications, chat, and collaborative tools
Real-World Example
Google Docs uses WebSockets to show other users' edits as they type
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Related Terms
Real-Time
Features that update instantly without needing to refresh the page
Polling
Repeatedly checking for new data at regular intervals
Backend
The behind-the-scenes part of an application that handles data, logic, and communication with databases
Cron Job
A scheduled task that runs automatically at specific times or intervals
Background Job
A task that runs behind the scenes without making users wait for it to complete
Middleware
Code that runs between receiving a request and sending a response, often handling common tasks