NFA for (1|0)*00

Non-deterministic and deterministic finite automaton

function delta(q, c) { // (1|0)*10
    if (q=='a' && c=='0') return 'a'
    if (q=='a' && c=='1') return 'ab'
    if (q=='b' && c=='0') return 'c' 
    return '';  //default -- no transition
}
function accept(w, F='c', Q='a') {
    //w: input String
    //F: final state(s)
    //Q: current state(s)
    let i = 0, txt = Q
    while (i < w.length) {
        let c = w[i], T=''
        for (let q of Q) 
            T = union(T, delta(q, c))
        Q = T
        if (Q == '') break
        i++; txt += ", "+c+" -> "+Q+'\n'+Q
    }
    input.selectionStart = i
    input.selectionEnd = i+1
    let a = intersect(Q, F).length > 0
    return txt+'  '+(a? "Accept" : "Reject")
}