console.clear();

var firstNum = 10;
console.log(firstNum);

var secondNum = 15;
console.log(secondNum);

// Camel case
var camelCase;
// Pascal case
var PascalCase;
// Snake case
var snake_case;

// Rules for naming JS variables
// - Name can contain letters, digits, _ and $
var mySubject1, math$;
// - Name cannot start with a digit
var 1maths;
// - Name can start with an _ or $
var _subjectMarks, $rankInClass;
// - Names are case sensitive
var x, X;
// - Names cannot be reserved keywords
var var;