JavaScript Cheat Sheet (DRAFT) by ThomasGarnier

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var : The most common variable. Can be reassigned but only accessed within a function. Variables defined with var move to the top when code is executed.

let : Similar to const, however, let variable can be reassigned but not re-dec­lared

var age = 23 : Numbers
var x : Variables
var a = "­ini­t" : Text (strings)
var b = 1 + 2 + 3 : Operations
var c = true : True or fase statements
const PI = 3.14 : Constant numbers

// Example 1
var name = {first­Nam­e:"J­ohn­", lastNa­me:­”Do­e"}
// Example 2
var person = {
  firstName:"John",{
  lastName:"Doe",{
  age:20,{
  nationality:"German"
};