VanJS September

Socket Connection

Single Responsibility

Strict Mode

Scope

Arrow functions do not have their own this context.

They have an implicit 'return' when used with a single expression.

Arrow functions cannot be used as constructors.

Arrow functions have their own arguments object.

Integer

String

Double

Character

Type can only be used for primitive types, while interface is for objects.

Only interface can be extended with additional properties.

Interface allows for method implementations, while type does not.

Interface can be merged automatically by the compiler, while type cannot.

express

lodash

fs

axios

To manage events and asynchronous operations.

To interact with databases.

To handle file system operations.

To manage HTTP requests and responses.

object

undefined

null

number

To perform side effects in function components.

To create and manage state in function components.

To handle user inputs and events.

To directly update the DOM elements.

i++ increments the value before using the value, while ++x increments after

i++ increments the value after using it, while ++i increments before.

i++ and ++i are equivalent and produce the same result.

i++ only works with numbers, while ++i works with any data type.

Angular

ANGULAR

AnGuLaR

angulaR