## Begin Inline JavaScript
    <script>

var section = document.querySelector('section');
var editable = document.querySelector('.editable');
var textareaHTML = document.querySelector('.playable-html');
var textareaCSS = document.querySelector('.playable-css');
var reset = document.getElementById('reset');
var htmlCode = textareaHTML.value;
var cssCode = textareaCSS.value;

function fillCode() {
    editable.innerHTML = textareaCSS.value;
    section.innerHTML = textareaHTML.value;
}

reset.addEventListener('click', function () {
    textareaHTML.value = htmlCode;
    textareaCSS.value = cssCode;
    fillCode();
});

textareaHTML.addEventListener('input', fillCode);
textareaCSS.addEventListener('input', fillCode);
window.addEventListener('load', fillCode);
  JavaScript code...
    </script>
      
    ## End Inline JavaScript