Question

Ive made this:

if( tal[i+1] ){
    if( tal[i] == tal[i+1]){
        match=true;
    }
}

But it doesnt seem to work.

I want to check whether the field next to the current (i) exists, in the array tal[].

How can i fix this?

Answer 1

If by “exists” you mean “is not out of bounds”, then you have to check the length:

if (i+1 < tal.length) {
  // i+1 is a valid index in tal here
}