Reference quiz.js in markup
Add object "quiz", set up dummy questions and test out printing questions, choices, answers in console
Add markup for quizIntro, quizQuestion and quizChoices sections of page and Next button
(WIP) - add function for Next button to display questions one by one
Update nextButton() to display questions one at a time on click
Change function name on button
(WIP) - update nextButton function to hide button on display of final question
showNextQuestion() hides button when final question displays
Change quizChoices <div> to <ul>
Extract functionality to hide Next button, and show choices, into separate functions. Update function for showing quiz choices array items in unordered list (WIP)
Update showChoices function to display only current choices for current question
Add <div> for quizScore and input button for finishing quiz. Amend default value of Next button to "start quiz"
Add placeholder methods for calculateTotalScore, checkAnswer  and showTotalScore. Extract functionality into separate methods for finishing quiz (showing score). Add comments, tidy up indentation
Add markup for myForm and insert quizChoices list inside
(WIP) - detect click on radio button
(WIP) - clean up code, add functions to detect radio button click and compare value with current correctAnswer
(WIP) - detect click on radio button and compare current button value with expected correct answer
(WIP) - detect click on radio button and compare current button value with expected correct answer
(WIP) - set value of radio buttons as choice in array, and compare
(WIP) - set values of radio buttons as items in Choices array