testJS.js

///////////////////// Exercice 1 ///////////////////////
let num1 = 5;
let num2 = 4;
let i = 0;
let result = 0;

while(i < num1){
  result = result + num2
  i++;
}


///////////////////// Exercice 2 ///////////////////////
let tootalResult = 0;

for(let i = 0; i <= 100; i+=5){
  console.log(i)
  tootalResult += i
}

console.log(tootalResult)


///////////////////// Exercice 3 ///////////////////////
let num1 = 6;
let num2 = 0;
let operator = '/';

switch(operator){
  case '-':
    return console.log(num1 - num2);
  case '+':
    return console.log(num1 + num2);
  case '*':
    return console.log(num1 * num2);
  case '/':
    if(num1 === 0 || num2 === 0){
      console.log("Division by zero is impossible !")
      break;
    }
    return console.log(num1 / num2);
  default:
    return console.log('Operator is not valid !')
}