devguff-nodejs-language-core

Hello World

console.log('Hello World');

Functions

function HelloWorld() {
  console.log('Hello World');
}

Common Data Types

see w3schools JavaScript has 8 Datatypes

1. String
2. Number
3. Bigint
4. Boolean
5. Undefined
6. Null
7. Symbol
8. Object

The Object Datatype The object data type can contain:

1. An object
2. An array
3. A date

Conditional Statements

see w3schools

if (time < 10) {
  greeting = "Good morning";
} else if (time < 20) {
  greeting = "Good day";
} else {
  greeting = "Good evening";
}

Loops

see w3schools Different types of loops

Package (Modules)

• express
• axios
• uuid
• npm

Testing Frameworks

see nodejs-integration-tests-best-practices for great testing best practices