Ablestate cohort 1 JS online session 5

quiz 2 review

// Breakdown
// Create a function : function styles / expression/ decleration with the name mutiplyThreeNumbers
// Assign three indetifiers num1, num2, num3;
//Declare a variable multipliedNumbers and intialize 
//Print to screen

/*
// PEMDAS
*parathesis
*Exponents(power)
*Multiplication
*Division
*Addition
*Substraction
*/

//function declaration
console.clear();
/**
 * Decelaration sytnax/style
 * @multiplyThreeNumbers
 * @param {number} num1 - first  number
 * @param {number} num2 - second number
 * @param {number} num3 -third number 
 * @returns {number}  - a product
 */
function mutiplyThreeNumbers (num1, num2, num3){
  //  Do some validation
  // Checked whether someone has provided the input or not
  // Returning the right state
  // Type checking

  //if (!num1 || !num2 || !num3 )  return false;
  //typeof multiplyThreeNumbers === 'number' ? true: false;
  if(typeof multiplyThreeNumbers !== 'number' ){
     return (num1 * num2 * num3);
  }else{
     return false;
  }
 
}

let multipliedNumbers1 = mutiplyThreeNumbers( 2, 2, 2);
console.log(multipliedNumbers1);


//function expression
const MULTIPLY_THREE_NUMBERS = function (num1, num2, num3){
  return (num1 * num2 * num3);
}

let multipliedNumbers2 = MULTIPLY_THREE_NUMBERS(3, 3, 3);
console.log(multipliedNumbers2);

//Arrow function
const MULTIPLY_NUMBERS = (num1, num2, num3) =>{
  return (num1 * num2 * num3);
}

let multipliedNumbers3 = MULTIPLY_NUMBERS(4, 4, 4);
console.log(multipliedNumbers3);