What is a buffer in Node.js?

Question

As you can read in the Node.js documentation on the Buffer class, a buffer

is similar to an array of integers but corresponds to a raw memory allocation o

Answer 1

Explanation from http://nodejitsu.com/...

Buffers are instances of the Buffer class in node, which is designed to handle raw binary data. Each buffer corresponds to some raw memory allocated outside V8. Buffers act somewhat like arrays of integers, but aren't resizable and have a whole bunch of methods specifically for binary data. In addition, the "integers" in a buffer each represent a byte and so are limited to values from 0 to 255 (2^8 - 1), inclusive.

Read more: Buffers in Node.js