Network requests don't always arrive in order. Here is how I fixed the Race Condition in my search bar using Cleanup Functions and AbortController.
Establishing TCP connection is expensive. Reuse it for multiple requests.
HTTP is Walkie-Talkie (Over). WebSocket is Phone (Hello). The secret tech behind Chat and Stock Charts.
OSI 7 Layer is Theory. TCP/IP 4 Layer is Reality. Pragmatism beats Perfectionism.
IP addresses change like home addresses. MAC addresses are like DNA or Fingerprints. Burned into hardware.
A common illusion among frontend developers is that "Code runs top-to-bottom, in order." But the world of Async is Chaotic.
No one knows when or in what order your requests will return. Controlling that uncertainty is the skill of a frontend developer.
Is your search bar safe? Go type quickly right now. A ghost might be living there.
