Notes

Promises

Tutorials

Javascript tutorial

Destructuring objects

Arrow Functions

Basics

variables

let variable = value

let user = 'John', age = 25, message = 'Hello';

constants

const constant = value

const myBirthday = '18.04.1982';

There is a widespread practice to use constants as aliases for difficult-to-remember values that are known prior to execution. .. const COLOR_RED = "#F00"; const COLOR_GREEN = "#0F0";

Datatypes

Number

let n = 123;
n = 12.345;

NaN represents a computational error

BigInt