What is Node.js
Baidu Encyclopedia:
Node.js is a JavaScript Operating environment. Node.js uses an event-driven, non-blocking I/O model.
Existence value: HTTP requests are state
Tag: Node
Node.js need to pay attention to knowledge points
Reviewing node.js needs to pay attention to the knowledge points–(emphasis)
2.1:Parameters Pass and get the shape
Client scaffolding(发) (Parameter passing ) Node.js(收)< /p> -发a