Here is my current code: $//$ HelloWorld$1.$js $-$ a simple API running on Node.js and using Express

var express $=$ require$(\text{'}$express$\text{'})$; $//$ use the express module and call it 'express'

var helloRequestsReceived $=0$; $//$ initialize counter

var app $=$ express$()$; $//$ create a new express$()$ server object called 'app'

app.use$($express$.$urlencoded$(\{$extended: false$\}))$; $//$ allows us to parse $($i$.$e$.,$ get information from$)$ URLs

app.use$($express$.$json$())$;

randomNumber $=[]//$ allows us to parse $($i$.$e$.,$ get information from$)$ JSON

$//$ app.use$()$ configures the middleware server object. It is called each time a request is sent to the server.

$//$ It contains code for general configuration of the server.

$//$ In this case we're setting up CORS $($cross$-$origin resource sharing$).$ This just means content on a web page

$//$ can come from a domain other than the domain of that page.

app.use$($function$($req$,$ res, next$)\{$

express.urlencoded$(\{$extended: false$\})$

res.header$("$Access$-$Control$-$Allow$-$Origin", $"*")$;

res.header$("$Access$-$Control$-$Allow$-$Headers", "Origin, X$-$Requested$-$With, Content$-$Type, Accept"$)$;

res.header$("$Access$-$Control$-$Allow$-$Methods", "GET, POST, OPTIONS, PUT, DELETE"$)$;

next$()$;

$\})$;

$//$ app.get$()$ instructs the application what to do when an HTTP GET request is made to the API.

$//$ In this case, the code only runs if you use the route $/$sayhello $($i$.$e$.,$ http:$//127\mathrm{.}0\mathrm{.}0\mathrm{.}1/$sayhello$).$

$//$ And the code just increments the counter, sends a line of output to the console, and sends a line of

$//$ output to the browser.

app.post$(\text{'}/$startGame$\text{'},$ function$($req$,$res$)\{$

randomNumberGenerated $=$ Math.floor$($Math$.$random$()*100)+1$;

console.log$(\text{'}$Creating game number' $+$req.body.gameId $+\text{'}.$ The number to guess is$\text{'}+$ randomNumberGenerated$)$;

randomNumber $[$req$.$body.gameId$]=$ randomNumberGenerated;

responseMessage $=\{$ APIMessage: new String$(\text{'}$Game number' $+$ req.body.gameId $+$ 'started'$)\}$;

res.json$($responseMessage$)$;

$\})$;

app.get$(\text{'}/$guessMade$\text{'},$ function$($req$,$res$)\{$

var numberToGuess $=$ randomNumber$[$req$.$query.gameId$]$;

var numberGuessed$=$ req.query.guessMade;

var guessed$=$ false; $//$ boolean variable that returns to the html program.

$//$ default is false, set to true if the user guessed correctly

console.log$(\text{'}$The number guessed was'$+$ numberGuessed $+\text{'}.$ The number to guess is$\text{'}+$ numberToGuess$)$;

if $($numberGuessed $<$ numberToGuess$)\{$

var outMessage $=$ "The guess of$"+$ numberGuessed $+"$is too low!"

$\}$ else if $($numberGuessed $>$ numberToGuess$)\{$

var outMessage $=$ "The guess of$"+$ numberGuessed $+"$is too high!"

$\}$ else $\{$

var outMessage $=$ "The guess of$"+$ numberGuessed $+"$is correct"

guessed $=$ true;

$\}$

responseMessage $=\{$ APIMessage: outMessage, Guessed: guessed $\}$;

res.json$($responseMessage$)$;

$\})$;

console.log$("$Listening on port $8080")$;

app.listen$(8080)$; $//$ And we're listening on port $8080$

I need help modifying it so it matches these criterias:

The user has five $(5)$ chances to guess the number.

$2.$ The system checks that the user has entered a guess between $1$ and $100,$ and

sends an appropriate error message if the user did not.

$3.$ The system should display the current guess number and the number of guesses

left every time the user enters a guess. Example message: $$This is guess

number $2.$ You have $3$ guesses left.$.$

$4.$ If the user guesses the number in $5$ guesses or less:

a$.$ Display an appropriate congratulations message

b$.$ Disable the $$Enter a Guess$$ and $$Reset the Game$$ buttons

c$.$ Enable the $$Start the Game$$ button.

$5.$ If the user does not guess the number in $5$ guesses or less:

a$.$ Display an appropriate $$you lost$$ message

b$.$ Display the answer $$ the number the user was trying to guess

c$.$ Disable the $$Enter a Guess$$ and $$Reset the Game$$ buttons

d$.$ Enable the $$Start the Game$$ button