Old Books

function oldBooks(input) {
    let index = 0;
    let searchedBook = input[index];
    index++;
    let bookCounter = 0;
    let isNotHere = false;
    while (true) {
        let currentBook = input[index];
        index++;
        bookCounter += 1;
        if (currentBook === searchedBook) {
        bookCounter -= 1;
            console.log(`You checked ${bookCounter} books and found it.`);
            break;
        }
        if (currentBook === "No More Books") {
            isNotHere = true;
        if (isNotHere) {
            bookCounter -= 1;
            console.log("The book you search is not here!");
            console.log(`You checked ${bookCounter} books.`);
            break;
        }
        }
    }
}