For the "Node.js Chinese Reference Manual", simply put, Node.js is JavaScript running on the server side. Node.js is a platform built on the Chrome JavaScript runtime. Node.js is an event-driven I/O server-side JavaScript environment based on Google's V8 engine. The V8 engine executes Javascript very quickly and has very good performance.
"Node.js Chinese Reference Manual" will teach you to learn Node.js knowledge from basic to advanced. The manual contains a large number of Node.js online examples. You are welcome to click to run the examples to view them.