Question

I have a myArray = [A,C,D,G,J,L,P]

and a myString = "ABCDEF"

I want to create a new array, containing only the characters of myString which can also be found in myArray, so that myOtherArray = [A,C,D]

I think the code should look something like this, but its not working yet.

for (int i=0; i<myString.length(); i++) {
  for (int j=0; j<myArray.length(); j++) {
    if ((myString.charAt(i)) == myArray[j]) {
      myOtherArray.push(myArray[j])
    }
  }
}

Answer 1

If you try to run it in the console of your browser (or just check the error log), you will see that int i=0 is wrong and length is not a function. Replace int with var (both) and length() with length (both), and it works.