Glossary term
What is Header?
In Apex Flow Academy, "Header" means: A labelled extra value sent with a request or response, such as the type of content or a login token. It is taught in Node.js: Build the Back End and APIs. Related terms include REST, Query string, Handler and Database. Every Apex Flow Academy course lists the official sources it checked.
- 1 course teaches it
- plain-word definition
The facts
What is Header?
A labelled extra value sent with a request or response, such as the type of content or a login token.
Where is Header taught?
Header is defined in Node.js: Build the Back End and APIs.
Which lessons cover Header?
These lessons name it in their title or objectives:
- Node.js: Build the Back End and APIs, lesson 1.3: Read what a request says
- Node.js: Build the Back End and APIs, lesson 4.4: Protect routes with a guard
- Node.js: Build the Back End and APIs, lesson 5.3: Fail safely: errors, logs and headers
- Node.js: Build the Back End and APIs, lesson 5.4: Let a browser front end call your API (CORS)
Which terms are related to Header?
Next to Header in the course glossaries: REST, Query string, Handler, Database, Router, SQL, Route and SQL injection.
The hard questions, answered straight
Bold questions people really ask. Each answer comes from the course data or a settled Academy fact.
Do I need experience before I learn Header?
It depends on the course. Each course that teaches it lists its own prerequisites, and all are listed at intermediate level:
- Node.js: Build the Back End and APIs: Basic JavaScript: variables, functions, objects, arrays, conditions and loops.