Function to check for 3 a 's
function checkA ( s , x ) { for ( let i = 0 ; i < x ; i ++ ) { if ( nfa == 1 ) state1 ( s [ i ] ) ; else if ( nfa == 2 ) state2 ( s [ i ] ) ; else if ( nfa == 3 ) state3 ( s [ i ] ) ; } if ( nfa == 1 ) { return true ; } else { nfa = 4 ; } }