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HTML

              
                <h1>Group Mad Libs</h1>
<div id="display"></div>
              
            
!

CSS

              
                body {
  text-align: center;
  display: grid;
  grid-template-columns: 100%;
  font-family: sans-serif;
}

#display {
  width: 50%;
  margin: 0 auto;
  line-height: 2em;
  max-width: 30em;
}

.inputarea {
  display: grid;
  grid-template-columns: 30% 70%;
  grid-column-gap: 4em;
}

.inputarea label {
  text-align: right;
  text-decoration: underline;
}

.answer {
  font-weight: bold;
  text-decoration: underline;
}
              
            
!

JS

              
                //LOOK HERE, edit this story and use NOUN or VERB or any of the parts of speech in the wordFinder line below
let yourMadLibStory = 
`Today we are going to the LOCATION zoo! It is so ADJECTIVE.  The ANIMAL pen is my favorite part.  The lions ADVERB growl and make ADJECTIVE roars.  Of course you can buy PLURALNOUN at the kiosks if it is ADJECTIVE outside.  The monkeys like to VERB their NOUN.  I can't wait to go back!`;

let yourMadLibTitle = "Day at the Zoo";

//If you want to add your own parts of speech you could add them here
//By the way, this is called a REGULAR EXPRESSION
let wordFinder = /NOUN|VERB|ADJECTIVE|ADVERB|PLURALNOUN|NUMBER|PROPERNAME|LOCATION|ANIMAL|ING-VERB/g;

//this will find every part of speech word from wordFinder
let partsOfSpeech = yourMadLibStory.match(wordFinder); //e.g. ["ADJECTIVE","NOUN","VERB","NOUN"]
//this will make an array of everything else in your story that isn't a partOfSpeech
let chunksOfStory = yourMadLibStory.split(wordFinder); //e.g. ["part of story","another part"]


// Initialize Firebase our database, you don't have to touch this part
var firebaseConfig = {
    apiKey: "AIzaSyBHcN0HVMwxxW-xBkXHYAm2X-kGWjxPzNk",
    authDomain: "basiccrud-ffe19.firebaseapp.com",
    databaseURL: "https://basiccrud-ffe19.firebaseio.com",
    projectId: "basiccrud-ffe19",
    storageBucket: "basiccrud-ffe19.appspot.com",
    messagingSenderId: "47974982638",
    appId: "1:47974982638:web:9a034202ca787ee47764ff"
};
firebase.initializeApp(firebaseConfig);
function getUniqueId() { //a silly function just to let you fork this codepen and have your own database
  var CODEPEN_ID = /[codepen|cdpn]\.io\/[^/]+\/(?:pen|debug|fullpage|fullembedgrid)\/([^?#]+)/;
  var id;
  if(CODEPEN_ID.test(window.location.href)) {
    id = CODEPEN_ID.exec(window.location.href)[1];
  } else if (CODEPEN_ID.test(document.location.href)){
    id = CODEPEN_ID.exec(window.location.href)[1];
  } else {
    var metas = document.getElementsByTagName('link');    
    for(i=0;i<metas.length;i++) {
      if(metas[i].getAttribute('rel') == 'canonical') {
        if(CODEPEN_ID.test(metas[i].getAttribute('href')))
        id = CODEPEN_ID.exec(metas[i].getAttribute('href'))[1];  
      }
    }
  }
  return id || `randoDB${Math.floor(Math.random()*10000000)}`;
}

//this is the "handler" for YOUR database where we can store and read values from anyone at your site!
let yourDatabase = firebase.database().ref("madlibs").child(getUniqueId());

let showEmptyQuestions = function(){
  $("#display").html(`<h2 class="title">${yourMadLibTitle}</h2>`);
  for(let i=0; i < partsOfSpeech.length; i++){
    $("#display").append(
`
<div class="inputarea">
  <label>${partsOfSpeech[i]}:</label>
  <input class="speechparts" placeholder="${partsOfSpeech[i]}" data-index="${i}"/>
</div>
`);
  }
  $("#display").append(`<button id="finish" disabled=true>All Done</button>`);
  $(".speechparts").on("keyup", function(evt){ 
    let answeredIndex = $(evt.currentTarget).attr("data-index");
    let newAnswer = $(evt.currentTarget).val();
    yourDatabase.child("currentAnswers").child("answers").child(answeredIndex).set(newAnswer);
  });
  $("#finish").click(function(){
    yourDatabase.child("currentAnswers").child("hideStory").set(false);
  });
}

showEmptyQuestions();

let showQuestions = function(answerArray){
  if (answerArray.length == 0){
    showEmptyQuestions();
  }
  let numberOfAnswers = 0;
  for(let i=0; i < partsOfSpeech.length; i++){
    let answer = ""; //for each question, check for answer, display an input box
    if (answerArray.hasOwnProperty(i)){
      answer = answerArray[i];
      $(`.speechparts[data-index=${i}]`).val(answer);
    }
    if (answer.length > 0){
      numberOfAnswers += 1;
    }
  }
  if (numberOfAnswers == partsOfSpeech.length){
    //We have an answer for every word, let's show the story
    $("#finish").attr("disabled", false);
  }
};

let showStory = function(answerArray){
  $("#display").html(`<h2 class="title">${yourMadLibTitle}</h2>`);
  for(let i=0; i < partsOfSpeech.length; i++){
    let answer = answerArray[i] || ""; //for each question, check for answer, display an input box
    $("#display").append(`${chunksOfStory[i]}<span class="answer">${answerArray[i]}</span>`);
  }
  $("#display").append(`${chunksOfStory[partsOfSpeech.length] || ""}`);
  $("#display").append(`<div><button id="reset">Play Again?</button></div>`);
  $("#reset").on("click", function(){
    yourDatabase.child("currentAnswers").set({hideStory: true});
  });
};

//This is where the action lives
yourDatabase.child("currentAnswers").on("value", function(dataSnapshot){ 
  //this function gets called every time the page is loaded AND when someone updates an answer
  //it's job is to draw the database values onto our screen
  //we use the hideStory key to decide if we're still gathering answers 
  //or showing the finished product
  let everyOneElsesAnswers = dataSnapshot.val();
  if (everyOneElsesAnswers){
    //there was at least one answer
    if (!everyOneElsesAnswers.hasOwnProperty("hideStory")){
      //if this is the FIRST time connecting to the DB (i.e. you just forked)
      yourDatabase.child("currentAnswers").child("hideStory").set(true);
      everyOneElsesAnswers.hideStory = true;
    }
    if (everyOneElsesAnswers.hideStory){
      showQuestions(everyOneElsesAnswers.answers || []); //show questions
    } else {
      showStory(everyOneElsesAnswers.answers); //show results
    }
  } else {
    showQuestions([]); //an empty array
  }
});
              
            
!
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