Node.js · Theory

Buffer.alloc() Method

Theory

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Buffer.alloc() Method is a Node.js idea you prove with read a big CSV, not with a slogan.

Do Buffer.alloc() Method once by hand. createReadStream. Change one input. Say the new result out loud.

Skip Buffer.alloc() Method and loading the whole file into RAM shows up in an upload job.

Neha ships Buffer.alloc() Method in an upload job. That is the use case worth saying.

Buffer.alloc() Method trap — loading the whole file into RAM. Neha loses marks for that every viva.

Buffer.alloc() Method is not a lonely heading. Neha ties it to read a big CSV.

Viva for Buffer.alloc() Method — what it is → createReadStream → the mistake (loading the whole file into RAM).

Exam tip

Board: read a big CSV. Dry-run Buffer.alloc() Method. Name the trap: loading the whole file into RAM.

const buf = Buffer.from("PrepPilot", "utf8");
console.log(buf.toString("utf8"));
console.log(buf.length);

Buffer.alloc() Method — buffer holds raw binary data outside the V8 string heap.