function onNewsAnswerClick()

in harness/app-assets/templates/assets/js/modules/quiz.js [348:394]
36 lines of code
7 McCabe index (conditional complexity)

    function onNewsAnswerClick(answer, question, isImage) {
        var answerPara,
            correctAnswerWrapper,
            startTime = null,
            yPos = null;

        if (question.classList.contains('answered')) {
            return;
        }

        if (answer.dataset.correct === 'true') {
            question.classList.add('is-correct');                    
            score++;
        } else {
            answer.classList.add('wrong-answer');
            question.classList.add('is-wrong');
            answer = question.querySelector('[data-correct="true"]');
        }

        answer.classList.add('correct-answer');

        if (answer.dataset.correctAnswerExplanation) {
            answerPara = document.createElement('p');
            answerPara.classList.add('answer__explanation');
            answerPara.innerHTML = answer.dataset.correctAnswerExplanation.trim();
            correctAnswerWrapper = answer.getElementsByClassName('answer__message')[0];
            correctAnswerWrapper.appendChild(answerPara);
        }

        question.classList.add('answered');
        numAnswered++;

        // If necessary set up a call to check mpu position
        if (moveMPU) {
            window.requestAnimationFrame(adjustAdPosition.bind(null, yPos, startTime));
        }

        // When we have an image answer we need to move the positioning of the explanation and marker 
        if (isImage) {
            showMarkedAnswer(question);
        }

        // If all questions have been answered display the score
        if (questionCount === numAnswered) {
            showScore();
        }
    }