Day 41 of 60Web DevCore60–90 min Preview

Real-time features

Add live updates with WebSockets or server-sent events. Handle reconnect after the connection drops.

What this covers

  • WebSockets vs SSE
  • Reconnect logic
  • Live state merge

Not yet unlocked

This day is still ahead of you. The task content is visible so you can preview what's coming, but submissions open when you reach Day 41.

Unlocks when you complete Day 40