skill-assessment-app/app/views/quiz/_live_code.html.erb

<%
  option_id = "#{question.question_id}_finish-later"
  checkbox_html = {class: 'checkbox',
                      id: "answer_#{option_id}",
                    name: "answer[#{question.input_type}][later]",
                 checked: Array(question.answer).include?('finish-later')
                  }
  answers = answer.try(:answer) || answer
%>

<%= render partial: "quiz/answer_errors", locals: {question: question, answer: answer} %>

<div id="nojs<%= question.question_id %>" data-id="live-coder-finish-later">
  <noscript>
    <p class="warning">
      <% unless params[:action] == 'summary' %>
        This is a question where you will be
      <% else %>
        This is a question where you were
      <% end %>

      asked to write code, and it utilizes a JavaScript-enabled
      environment. It looks like JavaScript is not loaded.

      <% unless params[:action] == 'summary' %>
        Please check the box below to acknowledge that you agree to come back at a later time to finish
        answering this question before you can submit the test.
      <% else %>
        You will need to enable JavaScript and answer this question before you can submit the test.
      <% end %>
    </p>
    <% unless params[:action] == 'summary' %>
      <%= form.check_box(:answer, checkbox_html, true, '') %>
      <%= form.label(option_id, 'I will come back later to finish this code question') %>
    <% end %>
  </noscript>
</div>

<div id="answer<%= question.question_id %>" data-id="live-coder-answer" style="display: none;">
  <label for="answer_live_code_text">Enter answer here</label>
  <%= text_area_tag 'answer[live_code][text]', (answers['text']), { disabled: true, data: {last: answers['text']}} %>

  <div class="code-input">
    <label for="answer_live_code_html">HTML</label>
    <%= text_area_tag 'answer[live_code][html]', (answers['html']), { disabled: true, data: {id: 'code-html', last: answers['html']}, class: 'code-answer code-html' } %>
  </div>

  <div class="code-input">
    <label for="answer_live_code_css">CSS</label>
    <%= text_area_tag 'answer[live_code][css]', (answers['css']), { disabled: true, data: {id: 'code-css', last: answers['css']}, class: 'code-answer code-css' } %>
  </div>

  <div class="code-input">
    <label for="answer_live_code_js">JS</label>
    <%= text_area_tag 'answer[live_code][js]', (answers['js']), { disabled: true, data: {id: 'code-js', last: answers['js']}, class: 'code-answer code-js' } %>
  </div>

  <div class="results" data-id="results"></div>
</div>

<script>
  <% # removes the no-js message %>
  document.getElementById("nojs<%= question.question_id %>").style.display = "none";
  document.getElementById("answer<%= question.question_id %>").style.display = "";

  <% # we want the coders disabled until JS is confirmed, so form post is easier to validate %>
  var coders = document.querySelectorAll("[data-id=live-coder-answer] textarea");
  for(i=0; i<coders.length; i++){ coders[i].disabled = false; }
</script>