// By AMOGHA. A. K. alert("Answer Biology Quiz, Submit quiz, For results: scroll down at bottom") var quiz = [ { question: "How many bones are there in human body?", options: ["206", "210", "216", "232"], correct: "206" }, { question: "Where tibia bone is found in human body?", options: ["Hand", "Thigh", "Skull", "Legs"], correct: "Legs" }, { question: "Which is the smallest bone in human body?", options:["Humerus", "Stapes", "Patella", "Femur"], correct: "Stapes" }, { question: "Which is largest bone in human body?", options: ["Femur", "Skull", "Clavicle", "Ribs"], correct: "Femur" }, { question: "How many vertebrae are found in human's vertebral column ?", options: ["33", "32", "30", "34"], correct: "33" }, ]; function startQuiz() { document.getElementById("intro").style.display = "none"; var questions = document.getElementById("questions"); questions.style.display="block"; for (var i = 0; i < quiz.length; i++) { var questionArea = ""; questionArea += (i + 1) + ". " + quiz[i].question + ""; for (var j = 0; j < quiz[i].options.length; j++){ questionArea += "" + quiz[i].options[j]; questionArea += ""; } questions.innerHTML += questionArea; } var btn = document.createElement("div"); btn.innerHTML = ""; questions.appendChild(btn); } function checkQuiz() { var results=document.getElementById("results"); results.innerHTML = ""; var correct = 0; for (var j = 0; j < quiz.length; j++){ var userAnswer = document.getElementsByName("answer" + j) var answerValue; for (var i = 0; i < userAnswer.length; i++){ if (userAnswer[i].checked) answerValue = userAnswer[i].value; } var question = document.getElementById("question" + j); var correctAnswer = quiz[j].correct; if (answerValue == correctAnswer){ question.classList.remove("wrong"); correct++; } else { question.classList.add("wrong"); } } results.style.display="block"; results.innerHTML = "

Your score is " + correct + " out of 5

"; }