Cannot declare array inside the function

 var arr = [];

/*Note: We've supplied you a basic function for generating a random number from 1 to 100 */

function random100() {
  return Math.floor(Math.random() * 100) + 1;
}

/* 1. Create a function named createRandomList that uses a for loop to create an array containing 10 random numbers from 1 to 100 (use the supplied function above to generate the numbers). The function should return that array. */

function createRandomList() {
  for (i = 0; i < 10; i++) {
    arr[i] = (random100());
  }
}

/* 2. Call the createRandomList() function and store the results in a variable named myRandomList. */

createRandomList();
var myRandomList = arr.join(',');
console.log(myRandomList);

/* 3. Use a for loop to access each element in the loop. Each time through the loop log a message to the console that looks something like this:
Item 0 in the array is 48
When you're done you should have output 10 lines to the console -- one for each element. 
*/

for (i = 0; i < 10; i++) {
  console.log("Item " + i + " in the array is " + arr[i]);
}