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script.js
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script.js
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const startButton = document.getElementById("startButton");
let time = document.getElementById("time");
let questionsElement = document.getElementById("questions");
let score = 0;
let setTime = 60;
let current = 0;
// var array1 = [1, 2, 3];
// array1.length - 1, refers to last element in array
var questions = [
{
question: "What 2nd most common coin?",
answers: [
{ answer: "Bitcoin" },
{ answer: "Litecoin" },
{ answer: "Ethereum", correct: true },
{ answer: "Dogecoin" },
],
},
{
question: "Who is the famous creator of Bitcoin?",
answers: [
{ answer: "Vitalik Buterin" },
{ answer: "Charles Hoskinson" },
{ answer: "Ada Lovelace" },
{ answer: "Satoshi Nakamoto", correct: true },
],
},
{
question: "What is Elon Musk's favorite coin?",
answers: [
{ answer: "Shiba" },
{ answer: "Dogecoin", correct: true },
{ answer: "Musky" },
{ answer: "Litecoin" },
],
},
{
question: "Where is Snoop Dogg building Snoopland?",
answers: [
{ answer: "Sandbox", correct: true },
{ answer: "Decentraland" },
{ answer: "Meta" },
{ answer: "Alice" },
],
},
{
question: "Who is changing their old popular name and creating the new metaverse META?",
answers: [
{ answer: "Jeff Bezos" },
{ answer: "Mark Zuckerberg", correct: true },
{ answer: "Jack Dorsey" },
{ answer: "Jack Ma" },
],
},
{
question: "Which country of our world was the 1st to accept Bitcoin as legal currency?",
answers: [
{ answer: "China" },
{ answer: "Ukraine" },
{ answer: "El Salvador", correct: true },
{ answer: "Thailand" },
],
},
{
question: "Who bans Bitcoin the most often?",
answers: [
{ answer: "China", correct: true },
{ answer: "North Korea" },
{ answer: "United Kingdom" },
{ answer: "US" },
],
},
{
question: "Pick one of the 2 easiest platforms for a new crypto investor?",
answers: [
{ answer: "Sundae Swap" },
{ answer: "Coinbase", correct: true },
{ answer: "Crypto.com" },
{ answer: "Robinhood", correct: true },
],
},
{
question: "Are you a crypto investor?",
answers: [
{ answer: "Yes", correct: true },
{ answer: "No", correct: true },
],
},
{
question: "Do you want to learn more about Crypto currency and Blockchain technology?",
answers: [
{ answer: "Yes", correct: true },
{ answer: "No", correct: true },
],
},
];
function timer() {
let alottedTime = setInterval(function () {
setTime--;
time.textContent = setTime + "seconds left";
if (setTime === 0) {
clearInterval(alottedTime);
confirm("GAME OVER. Out of time.");
}
}, 1000);
}
startButton.addEventListener("click", startQuiz);
// function answerClickHandler(userAnswer, possibleAnswers) {
// }
function cryptoQuestions(questionindex) {
// puts the question on the page
let questionsBox = document.createElement("div");
let questionHeader = document.createElement("h2");
let currentQuestion = questions[questionindex];
questionHeader.innerHTML = currentQuestion["question"];
questionsElement.appendChild(questionHeader);
// puts the answer buttons on the page
for (let index = 0; index < currentQuestion["answers"].length; index++) {
let btn = document.createElement("button");
btn.addEventListener("click", function (event) {
// console.log('yes',event);
// console.log(userAnswer, possibleAnswers);
console.log(event.target.dataset.isCorrect);
//console.log(event);
//-checks is answer is correct
if (event.target.dataset.isCorrect === "yes") {
score = score + 5;
//score += 5 (ABOVE IS SAME AS ABOVE)
console.log(score);
confirm("Correct!");
//prompt("Correct!");
//prompt()
} else {
confirm("Wrong :(");
}
// Check if it's the last question
if (current === questions.length - 1) {
//
// THen end game
confirm(
"GAME OVER! To learn more about crypto, log onto Coinbase.com and follow Charles Hoskinson on Youtube! You scored " +
score
);
} else {
//ELSE -moves onto next question
current += 1;
cryptoQuestions(current);
}
});
btn.innerHTML = currentQuestion["answers"][index]["answer"];
btn.dataset.isCorrect = currentQuestion["answers"][index]["correct"]
? "yes"
: "no";
// if (currentQuestion["answers"][index]["correct"]) {
// btn.dataset.isCorrect = 'yes';
// } else {
// btn.dataset.isCorrect = 'no';
// } (ABOVE IS SAME AS ABOVE)
// btn.value = currentQuestion["answers"][index]["correct"];
questionsBox.appendChild(btn);
}
questionsElement.appendChild(questionsBox);
}
// have buttons display
function startQuiz() {
startButton.style.display = "none";
timer();
cryptoQuestions(current);
}
// shows the first question, and has buttons to choose an answer
// when user answers question, show the next question.. (hide the previous question)