Web Development glossary: Apprentice level
21 Web Development terms at the Apprentice level, each with a short definition and a link to its full page.
Updated
- 200 OK
- The request worked and the body holds the result.
- 201 Created
- A new resource was created.
- 204 No Content
- It worked and there is no body to return.
- 400 Bad Request
- The request is invalid, such as a missing or wrong field.
- 401 Unauthorized
- No valid credentials were sent: sign in first.
- 403 Forbidden
- Signed in, but not allowed to do this.
- 404 Not Found
- Nothing exists at that URL.
- 500 Internal Server Error
- Something broke on the server.
- Content-Type
- The header that says what format a body is in.
- DELETE (HTTP)
- The method that removes a resource.
- GET
- The method that reads data without changing anything.
- Header
- A name-value line of extra information on a request or response.
- HTTP Method
- The verb that says what a request wants to do.
- PATCH
- The method that updates only some fields of a resource.
- POST
- The method that creates a new resource.
- POST form submission
- A form submission that sends form data in the request body.
- PUT
- The method that replaces a whole resource.
- Query String
- The ?key=value part of a URL, used for filters and paging.
- Request Body
- The data sent with a request, usually JSON.
- Status Code
- The three-digit result number: 2xx success, 4xx client error, 5xx server error.
- Viewport
- The visible area of the page; vw and vh measure it.