HYF JS-1 Session 2 - Lesson

gistfile1.txt

//Control flow if staments

//IF ELSE
/*
let number = 1;



if(number >= 3) {
  console.log('This number is greater or equal to 3');
} else if (number < 5  ){
  console.log('This number is smaller than 2');
} else(number < 3) {
  console.log('This number is exactly 2');
}*/

//Switch
/*
let number = 100;
switch(number){
  case 2:
    console.log('the number is 2');
    break;
  case 1:
    console.log('the number is 1');
    break;
  default:
    console.log('the number is not 1 or 2');
    break;
}*/

//Loops

//While

/*
console.log(1)
console.log(2)
console.log(3)
console.log(4)*/
/*
let i = 1;

while(i > 0) {
  //console.log(i);
  i = i + 2;// i += 1// i = i + 1, i += 2, i+=3
}
console.log(i)
*/


//For 


// let friends = ['Zaki','Rasmus','Solomon','Abdulla','Tala', 'Mohammad', 'Christopher'];


//Array.length = the length of the array so var arr = [1,2] arr.length = 2 
//console.log('length of friends ' + friends.length)
/*
console.log( 'Hello '+ friends[0] + '!')
console.log('Hello '+ friends[1] + '!')
console.log('Hello '+ friends[2] + '!')
console.log('Hello '+ friends[3] + '!')*/



/*
for(let i = 0; i < friends.length; i ++ ) {
  let friend = friends[i];
  console.log(`Hello ${friend}!` );
}*/

// Functions

// Takes arguments
// Return a value


// function myFullName(firstname, lastname) {
//   console.log(`${firstname} ${lastname}`);
//   return true;
// }

// myFullName("Zaki", "Wasik");


// // Hello my name is [firstname] [lastname] and I am [age] old.
// myFullName2("Zaki", "Wasik", 33);
// // Hello my name is Zaki Wasik and I am 33 old.

// myFullNameFormal("Zaki", "Wasik", 33, true);
// // Hello my name is Wasik, Zaki and I am 33 old.

function myFullNameFormal(firstname, lastname, age, formal) {
  if (formal) {
    console.log(`Hello my name is ${lastname}, ${firstname} and I am ${age} old.`);
  } else {
    console.log(`Hello my name is ${firstname} ${lastname} and I am ${age} old.`);
  }
}

myFullNameFormal("Zaki", "Wasik", 33, false);
// Hello my name is Wasik, Zaki and I am 33 old.