Working With Array Challenge 1

    <script>
      const checkDogs = function(arr1, arr2){
        const arr1Shallow = arr1.slice();
        arr1Shallow.splice(0,1);
        arr1Shallow.splice(-2);
        const dogs = arr1Shallow.concat(arr2);
        dogs.forEach(function(age, i){
          const type = age >= 3 ? `Dog number ${i+1} is an adult, and is ${age} years old`:`Dog number ${i+1} is still a puppy`;
          console.log(type);
        })
      }

    checkDogs([3,5,2,12,7],[4,1,15,8,3]);
    // LECTURES

    const currencies = new Map([
      ['USD', 'United States dollar'],
      ['EUR', 'Euro'],
      ['GBP', 'Pound sterling'],
    ]);

    const movements = [200, 450, -400, 3000, -650, -130, 70, 1300];

    for (const [i, movement] of movements.entries()){
      if (movement > 0){
        console.log(`${i + 0}:You deposit ${movement}`);
      }else{
        console.log(`${i + 0}:You withdrew ${Math.abs(movement)}`);
      }
    } //This is how you get index from forOf Loop --> const [i, movement] of movement.entries()
    //Use forOf Loop if you need to break up a loop

    //forEach(function())Method
    // Easier to get current index from forEach Method
    // forEach(function(variable, index, array){}) --Parameters name doesnt affect, only the sequence affect the index
    /*movements.forEach(function(movement, index, array){
      if (movement > 0){
        console.log(`${index + 0}:You deposit ${movement}`);
      }else{
        console.log(`${index + 0}:You withdrew ${Math.abs(movement)}`);
      }
    })*/
    //Map is something similar to forEach & forOf
    const myrToTwd = 6.5;
    const convert = movements.map(function(mov){
      return mov * myrToTwd;
    })
    console.log(convert);
    //writing using arrow function
    const converts = movements.map(mov=> mov * myrToTwd;)
//using forOf loop will need to manually create array to push
    const forOfMyrToTwd = [];//manually create array
    for (const mov of movements){
      forOfMyrToTwd.push(mov*myrToTwd)
    }
    </script>