We'll practice and learn nodejs concept and push our code for future references.
Core modules of node js
- http
- https
- fs
- path
- os
- Nodejs is a single threaded application
- Nodejs is event driven
- Nodejs is non-blocking I/O model
- We can parse request body in nodejs using body-parser module
- We can parse request body in nodejs using express module
- We can parse request body in nodejs using formidable module
- We can parse request body in nodejs using multer module
- Callbacks are the functions which are passed as an argument to another function.
- Callbacks are the functions which are executed after completion of a task.
- Callbacks are the functions which are executed asynchronously.
- Callbacks are the functions which are executed in the background.
- Callbacks are the functions which are executed after the main function has finished executing.
- Syntax error
- Runtime error
- Logical error
- Express js is web applocation frame work for nodejs.
- Used to handle bunch of request and makes our work easy.
- Most important part of using express js is its understanding of its middleware.