var listAnimals = [{
question: "What are baby beavers called?",
choices: ["Puppies", "Calfs", "Kittens", "Lambs"],
answer: 2
},
{
question: "What is the fastest land snake in the world?",
choices: ["Black Mamba", "Python", "Rattle Snake", "Boa Constrictor"],
answer: 0
},
{
question: "Which animal is incorrectly rumored to bury its head in the sand when frightened?",
choices: ["Rabbit", "Ostrich", "Mole", "Flamingo"],
answer: 1
},
{
question: "What is the smallest and most endangered species of sloth?",
choices: ["Bradypus pygmaeus", "Bradypus torquatus", "Bradypus tridactylus", "Bradypus variegatus"],
answer: 0
},
{
question: "What famous horse was the longest to hold the triple crown?",
choices: ["Sea Biscuit", "Black Beauty", "Flicka", "Secretariat"],
answer: 3
},
{
question: "What is a group of owls called?",
choices: ["Murder", "Parliament", "Herd", "Congregation"],
answer: 1
},
{
question: "A puggle is a cross between which two dog breeds?",
choices: ["Pug and Beagle", "Pug and Laborador Retriever", "Boxer and Husky", "Chihuahua and Beagle"],
answer: 0
},
{
question: "Which mammal has the longest gestation period?",
choices: ["Whale", "Dog", "Human", "Elephant"],
answer: 3
},
{
question: "The Arabian camel, also called dromedary, has how many humps?",
choices: ["0", "1", "2", "3"],
answer: 1
},
{
question: "The duck billed platypus is native to what country?",
choices: ["Canada", "USA", "Australia", "England"],
answer: 2
}];
var listArt = [{
question: "Which artist is credited with developing linear perspective?",
choices: ["Brunelleschi", "Warhol", "Picasso", "Dali"],
answer: 0
},
{
question: "Which French sculptor created the Statue of Liberty?",
choices: ["Edgar Degas", "Camille Pissarro", "Henri Fantin-Latour", "Frédéric Auguste Bartholdi"],
answer: 3
},
{
question: "Which artist created the sculpture, 'The Thinker'?",
choices: ["Edgar Degas", "Auguste Rodin", "Henri Fantin-Latour", "Camille Pissarro"],
answer: 1
},
{
question: "Who painted the famous Dutch Golden age painting 'The Night Watch'?",
choices: ["van Gogh", "Rembrandt", "Hals", "Steen"],
answer: 1
},
{
question: "What color do you get when you mix yellow and blue?",
choices: ["Teal", "Purple", "Green", "Red"],
answer: 2
},
{
question: "Who was the Spanish surrealist painter best known for his work 'The Persistence of Memory'?",
choices: ["Pablo Picasso", "Francisco Goya", "El Greco", "Salvador Dalí"],
answer: 3
},
{
question: "The art of paper folding is known as what?",
choices: ["Sculpture", "Origami", "Macramé", "Collage"],
answer: 1
},
{
question: "How many paintings did Vincent van Gogh sell during his lifetime?",
choices: ["0", "1", "2", "3"],
answer: 1
},
{
question: "Which painter is considered to have started the impressionist movement?",
choices: ["Claude Monet", "Pierre-Auguste Renoir", "Edgar Degas", "Paul Cézanne"],
answer: 0
},
{
question: "Which painter is famous for cutting off part of his ear?",
choices: ["Pablo Picasso", "Claude Monet", "Vincent van Gogh", "Michelangelo"],
answer: 2
}];
var listBiology = [
{
question: "What is the largest organ of the human body?",
choices: ["Brain", "Skeleton", "Heart", "Skin"],
answer: 3
},
{
question: "What is the term for cell death?",
choices: ["Apoptosis", "Mitosis", "Osmosis", "Diffusion"],
answer: 0
},
{
question: "What does the acronym DNA stand for?",
choices: ["Dinitrogen Acetate", "Determined Not Active", "Deoxyribonucleic acid", "Denucleated actins"],
answer: 2
},
{
question: "Name the process used by plants to convert light energy into chemical energy.",
choices: ["Photosynthesis", "Mitosis", "Absorption", "Diffusion"],
answer: 0
},
{
question: "What is a fertilized egg called?",
choices: ["Larva", "Zygote", "Embryo", "Fetus"],
answer: 1
},
{
question: "Which hormone is associated with the fight-or-flight response?",
choices: ["Dopamine", "Testosterone", "Thyroid Stimulating Hormone", "Norepinephrine"],
answer: 3
},
{
question: "Name the eukaryotic cell organelle that contains the majority of the cell's genetic material.",
choices: ["Mitochondria", "Nucleus", "Riboflavin", "Golgi body"],
answer: 1
},
{
question: "What is the longest bone in the human body?",
choices: ["Femur", "Tibia", "Fibia", "Humerus"],
answer: 0
},
{
question: "Which molecule is used to store energy for cells?",
choices: ["DNA", "ATP", "RNA", "cAMP"],
answer: 1
},
{
question: "How many chromosomes does a person have?",
choices: ["23", "46", "92", "138"],
answer: 1
}];
var listChemistry = [
{
question: "What is the chemical symbol for Gold?",
choices: ["Pb", "Ni", "Au", "Ge"],
answer: 2
},
{
question: "Acids release which ion?",
choices: ["OH-", "H+", "H-", "O-"],
answer: 1
},
{
question: "What is a positively charged ion?",
choices: ["Anion", "Ion", "Electron", "Cation"],
answer: 3
},
{
question: "What is the most abundant element in the earth's atmosphere?",
choices: ["Carbon", "Oxygen", "Nitrogen", "Hydrogen"],
answer: 2
},
{
question: "What is the mass of water?",
choices: ["18 grams", "33 grams", "3 grams", "28 grams"],
answer: 0
},
{
question: "What is the first element listed on the Periodic Table?",
choices: ["Helium", "Carbon", "Hydrogen", "Nitrogen"],
answer: 2
},
{
question: "A covalent bond is the linkage of two atoms by the sharing of what?",
choices: ["2 ions", "2 electrons", "3 elements", "1 reaction"],
answer: 1
},
{
question: "What is released in an endothermic reaction?",
choices: ["Hydrogen", "Oxygen", "Heat", "Water"],
answer: 2
},
{
question: "Avogadro's constant represents the number of particles of a substance for which unit of measurement?",
choices: ["Mass", "Mole", "Molecule", "Micrometer"],
answer: 1
},
{
question: "What is the most abundant metal in the earth's crust?",
choices: ["Calcium", "Sodium", "Aluminum", "Iron"],
answer: 2
}];
var listComputers = [
{
question: "What year was Facebook founded?",
choices: ["2001", "2002", "2003", "2004"],
answer: 3
},
{
question: "What does GUI stand for?",
choices: ["Graphical User Interface", "Golfing Union of Ireland", "Global Unique Identifier", "Graphics Unit Interface"],
answer: 0
},
{
question: "The companies HP, Microsoft, and Apple were all started in a what?",
choices: ["Bedroom", "Kitchen", "Garage", "Office"],
answer: 2
},
{
question: "What is the most used password?",
choices: ["password", "123456", "111111", "admin"],
answer: 1
},
{
question: "The term 'debugging' was established by Rear Admiral Grace Hopper after removing what from a computer?",
choices: ["a rat", "a beetle", "a moth", "a spider web"],
answer: 2
},
{
question: "What was the first registered domain name?",
choices: ["computers.com", "apple.com", "ibm.com", "symbolics.com"],
answer: 3
},
{
question: "What was the first computer mouse made from?",
choices: ["Wood", "Plastic", "Metal", "Glass"],
answer: 0
},
{
question: "This person is often called the inventor of the modern computer, and created the first fully electronic computer.",
choices: ["William Gates", "Steve Wozniak", "Konrad Zuse", "Steve Jobs"],
answer: 2
},
{
question: "Who is credited for developing what is known as the first computer program?",
choices: ["Charles Babbage", "Ada Lovelace", "Konrad Zuse", "Bill Gates"],
answer: 1
},
{
question: "What does CPU stand for?",
choices: ["Computer Processing Unit", "Central Peripheral Unit", "Central Processing Unit", "Computer Processing User"],
answer: 2
}];
var listFood = [
{
question: "What food is hummus made from?",
choices: ["Tofu", "Chick peas", "Rice", "Corn"],
answer: 1
},
{
question: "What is the most popular spice in the world?",
choices: ["Pepper", "Nutmeg", "Curry", "Cumin"],
answer: 3
},
{
question: "A pound of honey is the result of honey bees visiting how many flowers?",
choices: ["10,000", "1,000,000", "2,000,000", "10,000,000"],
answer: 2
},
{
question: "Americans spend approximately how much money on beer on an annual basis?",
choices: ["1 billion", "5 billion", "20 billion", "25 billion"],
answer: 3
},
{
question: "What organs does Haggis, the nation dish of Scotland, NOT contain?",
choices: ["Heart", "Liver", "Lungs", "Brain"],
answer: 3
},
{
question: "Where was the ice cream sundae invented?",
choices: ["England", "USA", "Germany", "Australia"],
answer: 1
},
{
question: "When was sliced bread first available for sale?",
choices: ["1952", "1916", "1930", "1947"],
answer: 2
},
{
question: "What is used to enhance the color of red meat?",
choices: ["Red dyes", "Carbon monoxide", "Preservatives", "Formaldehyde"],
answer: 1
},
{
question: "What is the most commonly eaten fish in the world?",
choices: ["Tilapia", "Salmon", "Tuna", "Herring"],
answer: 3
},
{
question: "What is the sense of taste that allows us to detect savory foods?",
choices: ["Salt", "Savory", "Umami", "Bitter"],
answer: 2
}];
var listGermany = [
{
question: "Germans are the 2nd largest beer drinkers, following which country?",
choices: ["England", "Austria", "Czech Republic", "France"],
answer: 2
},
{
question: "What is the name of the space city located in Germany?",
choices: ["Kiel", "Baden Baden", "Cologne", "Strasbourg"],
answer: 1
},
{
question: "What is the most popular surname in Germany?",
choices: ["Müller", "Schmidt", "Schneider", "Fischer"],
answer: 0
},
{
question: "During which month does Oktoberfest take place?",
choices: ["October", "November", "August", "September"],
answer: 3
},
{
question: "Which German city boasts the largest train station in Europe?",
choices: ["Munich", "Düsseldorf", "Berlin", "Cologne"],
answer: 2
},
{
question: "Which candy was invented by a German?",
choices: ["Chocolate", "Gummy bears", "Toffee", "Caramel"],
answer: 1
},
{
question: "Germany was the first country in the world to adopt which time changing tradition?",
choices: ["Time zones", "Daylight Saving Time", "Standard Time", "Winter Time"],
answer: 1
},
{
question: "The autobahn is famous for being free of speed limits in some locations. However, it is illegal and subject to penalty when drivers run out of this.",
choices: ["Gas", "Motor oil", "Garbage bags", "Beer"],
answer: 0
},
{
question: "How many different cities have served as Germany's capital?",
choices: ["5", "6", "7", "8"],
answer: 2
},
{
question: "What animal has been selected as Germany's national emblem?",
choices: ["Bear", "Eagle", "Wolf", "Ram"],
answer: 1
}];
var listLiterature = [
{
question: "Who wrote the 1956 screenplay for Moby Dick?",
choices: ["Ray Bradbury", "Herman Melville", "Ernest Hemingway", "F. Scott Fitzgerald"],
answer: 0
},
{
question: "What is the best-selling novel of all time?",
choices: ["A Tale of Two Cities", "The Lord of the Rings", "The Little Prince", "Don Quixote"],
answer: 3
},
{
question: "Who declined the 1964 Nobel Prize for literature?",
choices: ["Ernest Hemingway", "Jean-Paul Sartre", "Ray Bradbury", "C.S. Lewis"],
answer: 1
},
{
question: "What is the name of Washington Irving's 1819 short story about a man who fell asleep in the woods for 20 years?",
choices: ["The Legend of Sleepy Hollow", "Rip Van Winkle", "Tales of the Alhambra", "The Sketch Book"],
answer: 1
},
{
question: "Which literary magazine deeply influenced the Harlem Renaissance despite collapsing after only one issue?",
choices: ["Kenyon Review", "Harper's Magazine", "Fire!!", "The Crisis"],
answer: 2
},
{
question: "Who wrote the novel The Color Purple?",
choices: ["Alice Walker", "Zora Neale Hurston", "Toni Morrison", "Maya Angelou"],
answer: 0
},
{
question: "In the novel, The Great Gatsby, Jay Gatsby often stares at what, located at the end of Daisy's dock?",
choices: ["A boat", "A green light", "A white light", "A post"],
answer: 1
},
{
question: "The novel Heart of Darkness was written by which Polish-British author?",
choices: ["Henry David Thoreau", "F. Scott Fitzgerald", "Ernest Hemingway", "Joseph Conrad"],
answer: 3
},
{
question: "The book Walden, written by Henry David Thoreau, describes which philosophy followed by the author?",
choices: ["Existentialism", "Perennialism", "Reconstructionism", "Progressivism"],
answer: 0
},
{
question: "In the novel The Bluest Eye, Pecola Breedlove idolizes which famous American child actress?",
choices: ["Dakota Fanning", "Shirley Temple", "Drew Barrymore", "Judy Garland"],
answer: 1
}];
var listMovies = [
{
question: "Which Alfred Hichcock film was the first to show a toilet flush?",
choices: ["Psycho", "The Birds", "Rear Window", "Vertigo"],
answer: 0
},
{
question: "Which discontinued product did Swingling have to bring back following the release of the movie Office Space?",
choices: ["Blue hole punch", "Green binder", "Red stapler", "Yellow mug"],
answer: 2
},
{
question: "How many times does The Dude say the word 'man' in The Big Lebowski?",
choices: ["103", "147", "167", "215"],
answer: 2
},
{
question: "Who was Tim Burton's second choice for the role of Willy Wonka in Charlie and the Chocolate Factory?" ,
choices: ["Michael Keaton", "Jack Nicholson", "Alan Rickman", "Dwayne 'The Rock' Johnson"],
answer: 3
},
{
question: "Which Oscar winning film has the most uses of the word 'fuck' and its derivatives?",
choices: ["The Silence of the Lambs", "The Departed", "Bridge on the River Kwai", "Dances with Wolves"],
answer: 1
},
{
question: "Who was the first African American actress to win an Academy Award?",
choices: ["Viola Davis", "Kerry Washington", "Halle Berry", "Angela Bassett"],
answer: 2
},
{
question: "The movie Jaws was filmed by which famous director?",
choices: ["Alfred Hitchcock", "Steven Spielberg", "Martin Scorsese", "Quentin Tarantino"],
answer: 1
},
{
question: "What Star Wars actress had an early role in the movie Léon: The Professional?",
choices: ["Daisy Ridley", "Carrie Fisher", "Natalie Portman", "Lupita Nyong'o"],
answer: 2
},
{
question: "Robin Williams won an Academy Award for best supporting actor in which 1997 film about a South Boston janitor?",
choices: ["Good Will Hunting", "The Departed", "The Fighter", "Fuzz" ],
answer: 0
},
{
question: "What is the name of Mickey Mouse's dog?",
choices: ["Odie", "Snoopy", "Brian", "Pluto"],
answer: 3
}];
var listMusic = [{
question: "What was the name of Michael Jackson's first solo album as an adult?",
choices: ["Off The Wall", "Dangerous", "Bad", "Thriller"],
answer: 0
},
{
question: "In what city was Ludwig van Beethoven born?",
choices: ["Frankfurt", "Vienna", "Bonn", "Berlin"],
answer: 2
},
{
question: "In what year did Paul McCartney announce he was quitting the Beatles?",
choices: ["1968", "1970", "1972", "1969"],
answer: 1
},
{
question: "New Orleans is known as the birthplace of what type of music?",
choices: ["Blues", "Country", "Rock and Roll", "Jazz"],
answer: 3
},
{
question: "Who was the lead singer of the rock band Queen?",
choices: ["Freddie Mercury", "Steve Perry", "Dave Grohl", "Neil Young"],
answer: 0
},
{
question: "ABBA was a pop group from what country?",
choices: ["Russia", "Brazil", "Sweden", "England"],
answer: 2
},
{
question: "What was the first music video played on MTV?",
choices: ["Video Killed the Radio Star", "Thriller", "Burning Down the House", "Total Eclipse of the Heart"],
answer: 0
},
{
question: "Rapper Vanilla Ice had a hit song titled 'Ice Ice Baby'. From which othr song did 'Ice Ice Baby' sample from?",
choices: ["Bohemian Rhapsody", "Under Pressure", "Let's Dance", "Modern Love"],
answer: 1
},
{
question: "Which music group has received the most Grammy Awards?",
choices: ["The Beatles", "Pearl Jam", "U2", "Destiny's Child"],
answer: 2
},
{
question: "Who composed the scores for films such as Star Wars, Indiana Jones, Jurassic Park, and Schindler's List?",
choices: ["Hans Zimmer", "Ennio Morricone", "Danny Elfman", "John Williams"],
answer: 3
}];
var listSports = [
{
question: "In what year was the 4 minute mile first achieved?",
choices: ["1946", "1954", "1963", "1977"],
answer: 1
},
{
question: "Shaquille O'Neal retired in 2011 from what sport?",
choices: ["Hockey", "Football", "Soccer", "Basketball"],
answer: 3
},
{
question: "The Grand Slam tournaments are the four most important events in which two sports?",
choices: ["Tennis & Golf", "Basketball & Badminton", "Golf & Frisbee", "Soccer & Rugby"],
answer: 0
},
{
question: "El Clásico is the name given to soccer matches between which two teams?",
choices: ["Real Madrid & FC Barcelona", "Mexico & Argentina", "Colombia & Costa Rica", "El Salvador & Spain"],
answer: 0
},
{
question: "Which hockey player has won the most Stanley Cups with 11 wins?",
choices: ["Wayne Gretzky", "Alexander Ovechkin", "Henri Richard", "Sidney Crosby"],
answer: 2
},
{
question: "Tiger Woods became a professional golfer in what year?",
choices: ["1985", "1996", "2000", "2010"],
answer: 1
},
{
question: "Which team won the 2016 Super Bowl?",
choices: ["Seahawks", "Cowboys", "Greenbay Packers", "Broncos"],
answer: 3
},
{
question: "The Walker Law, passed in 1920 in New York, was a law that regulated which sport?",
choices: ["Football", "Lacrosse", "Boxing", "Basketball"],
answer: 2
},
{
question: "Who was the shortest player ever to play in the NBA?",
choices: ["Muggsy Bogues", "Isaiah Thomas", "Nate Robinson", "Earl Boykins"],
answer: 0
},
{
question: "Where did the sport of curling originate?",
choices: ["Canada", "England", "Scotland", "USA"],
answer: 2
}];
var categories = ["Animals", "Art", "Biology", "Chemistry", "Computers",
"Food", "Germany", "Literature", "Movies", "Music",
"Sports"];
//Get values:
var nav = document.getElementById("pageItems");
var next = document.getElementById("pageNext");
var back = document.getElementById("pageBack");
var reset = document.getElementById("reset");
var num = document.getElementById("num");
var quest = document.getElementById("question");
var choices = document.getElementsByName("choice");
var catButtons = document.getElementsByClassName("cat");
var labels = document.getElementsByTagName("label");
//trivia object
function trivia(mainId, quizId, resultsId, choiceId, msgId) {
this.mainId = mainId;
this.quizId = quizId;
this.resultsId = resultsId;
this.choiceId = choiceId;
this.msgId = msgId;
this.checked = false;
this.choice = '';
this.selection = '';
this.count = 0;
this.question = '';
this.currentScore = '';
this.score = 0;
this.list = '';
this.selections = {
1:'',
2:'',
3:'',
4:'',
5:'',
6:'',
7:'',
8:'',
9:'',
10:''
};
}
//starts 10 question quiz for selected category
trivia.prototype.getCategory = function(value) {
this.list = window[value];
this.fillForm(this.count);
this.showQuestion();
this.setPagination(this.list);
}
// Set up pagination
trivia.prototype.setPagination = function(list) {
this.createButtons(list.length);
}
trivia.prototype.createButtons = function(buttonCount) {
for (var i = 0; i < buttonCount; i++) {
var button = document.createElement('li');
var buttonId = 'page-' + (i + 1);
var buttonLink = document.createElement('a');
buttonLink.setAttribute('href', '#');
var linkText = document.createTextNode(i + 1);
buttonLink.appendChild(linkText);
button.setAttribute('class', 'page-item page-item-num');
button.setAttribute('id', buttonId);
button.appendChild(buttonLink);
nav.insertBefore(button, next);
var currentButton = document.getElementById(buttonId);
currentButton.addEventListener("click", function(e) {
debugger;
this.setFormByPage(i);
}.bind(this), false);
}
}
//Populates the page with a new question and 4 possible answers
trivia.prototype.fillForm = function() {
if(this.list[this.getCount()].question) {
var choices = document.getElementsByName(this.choiceId);
this.question = this.getCount() + 1;
num.innerHTML = this.question;
quest.innerHTML = this.list[this.getCount()].question;
for (var i = 0; i < choices.length; i++) {
choices[i].innerHTML = this.list[this.getCount()].choices[i];
}
}
}
//Hides the category page and shows the quiz page
trivia.prototype.showQuestion = function() {
document.getElementById(this.mainId).style.visibility = "hidden";
document.getElementById(this.quizId).style.visibility = "visible";
}
//Calls functions when the 'next' button is clicked. If no answer is selected, the user is notified.
//If all the questions are answered, the final score is announced to the user
trivia.prototype.nextQuestion = function() {
if(!this.checked) {
this.requireInput();
} else {
this.checkFinish();
}
}
//Increase count used to track progress through the questions
trivia.prototype.increaseCount = function() {
this.count++;
}
//Returns count used to track progress through the questions
trivia.prototype.getCount = function() {
return this.count;
}
//Checks if all questions have been answered. If true, user is notified of score.
//If false, the next question is loaded
trivia.prototype.checkFinish = function() {
this.increaseCount();
if(this.getCount() == this.list.length) {
this.reportScore();
} else {
this.checked = false;
this.fillForm();
this.setNextChoice();
}
}
trivia.prototype.setFormByPage = function(pageIndex) {
this.count = pageIndex;
this.checked = false;
this.fillForm();
this.setNextChoice();
}
//Updates score and tracks user's answers
trivia.prototype.updateAll = function() {
this.selections[this.question] = this.getSelection();
this.getCurrentAnswer();
this.currentScore = this.calcScore();
}
//Returns value of property used to track when an answer has been provided by the user
trivia.prototype.getChoice = function() {
return this.checked;
}
//Notification given when user doesn't provide an answer for a question
trivia.prototype.requireInput = function() {
alert("Please select an answer.");
}
//Shows answers when moving between questions that have been answered by user
trivia.prototype.setNextChoice = function() {
if(this.selections[this.question]) {
this.clearBtns();
this.getPreviousChoice(this.count);
} else {
this.clearBtns();
}
}
//Notification of score to user at the end of the quiz
trivia.prototype.reportScore = function() {
document.getElementById(this.quizId).style.visibility = "hidden";
document.getElementById(this.resultsId).style.visibility = "visible";
var message = document.getElementById(this.msgId);
message.innerHTML = this.currentScore;
}
//Tracks answer provided by user
trivia.prototype.getCheckedValue = function(id) {
!this.getChoice() ? this.checked = true : (this.checked = false, this.removeChecked());
this.choice = document.getElementById(id);
this.choice.classList.toggle("active");
this.selection = this.choice.value;
this.updateAll();
}
//Allows user to change answer and removes highlighting from previous answer
trivia.prototype.removeChecked = function() {
this.checked = true;
this.choice.classList.remove("active");
}
//Returns value for user's answer to the current question
trivia.prototype.getSelection = function() {
return this.selection;
}
//Returns answer for the current question
trivia.prototype.getCurrentAnswer = function() {
for(var q = 0; q < this.list.length; q++) {
if(this.list[q].question == quest.innerHTML) {
return this.list[q].answer;
}
}
}
//Calculates current score based on all answered questions
trivia.prototype.calcScore = function() {
if(this.getSelection() == this.getCurrentAnswer()) {
this.score += 1;
}
return "Your score: " + this.score + " out of " + this.list.length;
}
//Removes 'active' class when a new, unanswered, question is loaded
trivia.prototype.clearBtns = function() {
var choices = document.getElementsByName(this.choiceId);
for (var r = 0; r < choices.length; r++) {
choices[r].classList.remove("active");
}
}
//Provides answer to previously answered question
trivia.prototype.getPreviousChoice = function(position) {
this.checked = true;
var choices = document.getElementsByName(this.choiceId);
for (var c = 0; c < choices.length; c++) {
if(choices[c].value == this.selections[this.question]) {
choices[c].classList.add("active");
}
}
}
//Provides answer to previous question when using 'back' button
trivia.prototype.back = function() {
this.count--;
this.clearBtns();
if(this.count >= 0) {
this.fillForm();
this.getPreviousChoice(this.count);
}
}
//Deletes all game data and returns all property values to the original values
trivia.prototype.clearAll = function() {
this.count = 0;
this.question = '';
this.currentScore = '';
this.score = 0;
this.list = '';
var selections = this.selections;
for(var s in selections) {
selections[s] = '';
}
}
//Calls functions to delete all game data and shows user the main category page
trivia.prototype.startOver = function() {
document.getElementById(this.resultsId).style.visibility = "hidden";
document.getElementById(this.mainId).style.visibility = "visible";
this.clearRadio();
this.clearAll();
}
var myTrivia = new trivia("main", "quiz_area", "results", "choice", "message");
for(var i = 0; i < catButtons.length; i++) {
catButtons[i].addEventListener("click", function() {
myTrivia.getCategory(this.id, "main", "quiz_area");
});
}
next.addEventListener("click", function() {
myTrivia.nextQuestion();
});
back.addEventListener("click", function() {
myTrivia.back();
});
reset.addEventListener("click", function() {
myTrivia.startOver();
});
var choices = document.getElementsByName("choice");
for(var c = 0; c < choices.length; c++) {
choices[c].addEventListener("click", function() {
myTrivia.getCheckedValue(this.id);
});
}
!
