[ 原始碼： node-crc32 ]
套件：node-crc32（0.2.2-2）
CRC-32 implemented in JavaScript
CRC means 'Cyclic Redundancy Check' and is a way to checksum data. It is a simple algorithm based on polynomials and is used in such projects as gzip.
This module only works with UTF-8 strings, and is meant to be able to work on node and in the browser.
Node.js is an event-based server-side JavaScript engine.