Buffers

Summary

Node's way of representing raw binary data in memory — used whenever you're dealing with files, network packets, or anything that isn't plain text.

• 1Create a Buffer from a string and convert it back, inspecting the raw bytes.
• 2Learn why Buffers exist — JavaScript strings can't efficiently represent binary data.
• 3Understand where Buffers show up: file reads, network sockets, image processing.