If statements

const id = 100;

// EQUAL TO
if(id == 100){
    console.log('CORRECT');
}else{
    console.log('INCORRECT');
}

// NOT EQUAL TO
if(id != 101){
    console.log('CORRECT');
}else{
    console.log('INCORRECT');
}

// EQUAL TO VALUE & TYPE
if(id === 100){
    console.log('CORRECT');
} else {
    console.log('INCORRECT');
}

// EQUAL TO VALUE & TYPE
if(id !== 100){
    console.log('CORRECT');
} else {
    console.log('INCORRECT');
}

// TEST IF UNDEFINED
if(typeof id !== 'undefined'){
    console.log(`The ID is ${id}`);
} else {
    console.log('NO ID');
}

// GREATHER OR LESS THAN
if(id >= 100){
    console.log('CORRECT');
} else {
    console.log('INCORRECT');
}

//IF ELSE

const color = 'yellow';

if(color === 'red'){
    console.log('Color is red');
} else if(color === 'blue'){
    console.log('Color is blue');
} else {
    console.log('Color is not red or blue')
}

// LOGICAL OPERATORS
const name = 'Steve';
const age = 18;

// AND && - BOTH ARE TRUE
if(age>0 && age < 12){
    console.log(`${name} is a child`);
} else if (age >= 13 && age < 19){
    console.log(`${name} is a teenager`);
} else {
    console.log(`${name} is an adult`);
}

if(age<16 || age > 65){
    console.log(`${name} can not run in race`);
} else {
    console.log(`${name} is registered for the race`)
}

//TERNARY OPERATOR
console.log(id === 100 ? 'CORRECT' : 'INCORRECT');

// WITHOUT BRACES
if(id === 100)
    console.log('CORRECT');
else
    console.log('INCORRECT');