Debouncing

• Typing slow = 200ms; Typing fast = 30ms;

• Performance

  • iphone pro max = 14 letters * 1000 = 14000
  • with debouncing = 3 API calls *1000 = 3000
  • Debouncing with 200ms
    • if difference bet.n 2 key strokes is < 200ms - DECLINE API CALL
    • if difference bwt.n 2 key strokes is > 200ms make an API CALL

Building Live chat

  - Challenges of Live Chat
      - Get Data live.
      - Update The UI.

• Data Live

  • WEB SOCKETS :- It is a two way handshake connection bet.n a server and UI. We can quickly send data from either sides. [NO INTERVAL]
  • LONG POLLING (OR) API POLLING :- The data flows from server to UI after an INTERVAL.

• EXAMPLES

  • Trading, What's app sites - WEB SOCKETS
  • G-mail, Youtube - API POLLING