lesson-7-intro

// SYNTAX
// Literals
10
"Jane"

// Variables
var name = "Joe";
var a = 10;

const pi = 3.14;
const petrolTankVolume = 50;
const myName = "Patrick";

let x = 10;
let y = "Elizabeth";

// ARITHMETIC OPERATORS
(2 + 3) * 10

// ASSIGNMENT OPERATOR
let n, l;
n = 6;
l = 5;

// KEYWORDS
// var let if function

// COMMENTS
// This is a comment on one line.

/* This is a comment on
    two and more lines. */

// IDENTIFIERS
// Names of the variables, example below
var firstName;              // Here the firstName is undefined
firstName = "Patrick";      // Here the firstName is declared

// Shorten
var lastName = "Smith";

// that is allowed
var anyName
var _name;
var $lastName;


// Example of Variable usage
var willChange = 0; // This variable will change anytime i rewrite the value of it.
willChange = 5;
//console.log(willChange);

const piNumber = 3.14; // Fixed/constant value, cannot be changed.

function myFunction(h,g) {
    let sum = 0;
    sum = h + g;
    return sum;
}

//console.log(myFunction(7,3));