text: Check for last element
code: if ( result == true && n % 2 == 0 ) { if ( arr [ n - 1 ] <= arr [ n - 2 ] ) { result = false ; } } } else if ( arr [ 1 ] < arr [ 0 ] && arr [ 1 ] < arr [ 2 ] ) { for ( let i = 1 ; i < n - 1 ; i += 2 ) { if ( arr [ i ] < arr [ i - 1 ] && arr [ i ] < arr [ i + 1 ] ) { result = true ; } else { result = false ; break ; } }