Files
intecsync/uebung10/quiz.html
2019-07-11 13:09:25 +02:00

148 lines
3.9 KiB
HTML

<!DOCTYPE html>
<head>
<meta charset="utf-8">
<style>
#screen1, #screen2, #screen3 {
display: none;
}
</style>
</head>
<body>
<!--
//button
//<input type="number" id="n" min="1" max="20">
//<button id="get-questions" onclick="listener()"></button>
-->
<div id="screen1">
Anzahl fragen:
<input type="number" id="n" min="1" max="20">
<button id="get-questions" onclick="listener()">Spiel starten!</button>
</div>
<div id="screen2">
</div>
<div id="question">Frage</div>
<button id="answer0">Antwort1</button>
<button id="answer1">Antwort2</button>
<button id="answer2">Antwort3</button>
</div>
<div id="screen3">
Du hast <span id="right"></span> von <span id="total"></span> Fragen richtig
<button>Neues Spiel starten</button>
</div>
<script>
var questions = [];
var currentQuestions = 0;
var rightAnswers = 0
//Screens durchschalten
var screen1 = document.getElementById('screen1');
var screen2 = document.getElementById('screen2');
var screen3 = document.getElementById('screen3');
screen1.style.display = "block";
var questionDiv = document.getElementById("question");
var answer0 = document.getElementById("answer0");
var answer1 = document.getElementById("answer1");
var answer2 = document.getElementById("answer2");
//Start game
function listener() {
var n = document.getElementById('n').value();
getQuestions(n);
currentQuestion = 0;
rightAnswers = 0;
//Screen1 verstecken, Screen2 anzeigen
screen1.style.display = "none";
screen2.style.display = "block";
var right = document.getElementById('right');
var total = document.getElementById('total');
}
function showQuestion() {
var question = questions[currenQuestion];
questionDiv.innerHTML = question.question;
answer0.innerHTML = question.answer[0];
answer1.innerHTML = question.answer[1];
answer2.innerHTML = question.answer[2];
answer0.style.backgroundColor = "gray";
answer1.style.backgroundColor = "gray";
answer2.style.backgroundColor = "gray";
}
function answerQuestion(event) {
var target = event.target;
var question = questions[currentQuestion];
console.log(target.nodeName);
if (target.id.substr(-1) == question.solution) { console.log("richtig"); target.style.backgroundColor = "green";
rightAnswers++;
} else {
target.style.backgroundColor = "red";
document.getElementById("answer" + question.solution).style.backgroundColor == "green";
}
setTimeout(function () {
currentQuestion++;
if (currentQuestion < questions.length) {
showQuestion();
} else {
showResult();
}
}, 2000);
}
function showResult() {
screen2.style.display = "none";
screen3.style.display = "block";
right.innerHTML = rightAnswers;
total.innerHTML = questions.length;
}
//buttons zuweisen
answer0.addEventListener('click', answerQuestion);
answer1.addEventListener('click', answerQuestion);
answer2.addEventListener('click', answerQuestion);
function getQuestions() {
var request = new XMLHttpRequest();
request.onreadystatechange = function () {
if (this.readyState === 4 && this.status === 200) {
console.log(JSON.parse(this.respnseText));
questions = JSON.parse(this.responseText);
//Wenn Inhalt geladen wurde
showQuestion();
}
};
request.open("GET", "http://134.2.6.146/~zxmpy88/uebung10/api.php");
request.send();
}
</script>
</body>
</html>