QUIZ/quizscript.js at master · Omanhene20/QUIZ · GitHub

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var currentQuestion=0;
var score=0;
var totQuestions= questions.length;
var container= document.getElementById('quizContainer');
var questionEl=document.getElementById('question');
var opt1=document.getElementById('opt1');
var opt2 =document.getElementById('opt2');
var opt3=document.getElementById('opt3');
var opt4=document.getElementById('opt4');
var nextButton= document.getElementById('nextButton');
var resultCont= document.getElementById('result');


function loadQuestion(questionIndex) {
var q= questions[questionIndex];
questionEl.textContent=(questionIndex+ 1) + '.'+  q.question;
opt1.textContent=q.option1;
opt2.textContent=q.option2;
opt3.textContent=q.option3;
opt4.textContent=q.option4;
};

function loadNextQuestion() {
var selectedOption=document.querySelector ('input[type=radio]:checked');
if(!selectedOption){
alert('Please select your answer!');
return;
}
var answer= selectedOption.value;
if(questions[currentQuestion].answer==answer){
score+=10;
}
selectedOption.checked= false;
currentQuestion++;
if(currentQuestion==totQuestions-1){
nextButton.textContent= 'Finish';
}
if(currentQuestion==totQuestions){
	container.style.display='none'
	resultCont.style.display='';
	resultCont.textContent= 'Your score'+ score;
	return;
}
loadQuestion(currentQuestion);
}

loadQuestion(currentQuestion)