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HTML

              
                <h1 class="title-pen">Render an unordered list as a select element</h1>
<ul id="be-select" tabindex="0">
  <li>Option 1</li>
  <li>Option 2</li>
  <li>Option 3</li>
  <li>Option 4</li>
  <li>Option 5</li>
  <li>Option 6</li>
</ul>	
              
            
!

CSS

              
                ul.zg-ul-select {
  $blue: #0074d9;
  border-radius: 2px;
  box-sizing: border-box;
  cursor: pointer;
  font-family: 'Helvetica Neue', Helvetica, sans-serif;
  font-size: 2em;
  margin: 0;
  padding: 0;
  li {
    border-radius: 3px;
    display: none;
    padding: 0.5em;
    &.active {
      align-items: center;
      border: 1px solid #111;
      border-radius: 3px;
      box-shadow: 0 0 2px #aaa;
      color: #111;
      display: flex;
      justify-content: space-between;
    }
  }
  &.active {
    border: 1px solid #aaa;
    li {
      border: none;
      box-shadow: none;
      display: block;
      &:hover {
        background: $blue;
      }
      &.active {
        background: lighten($blue, 20%);
        &:hover {
          background: $blue;
        }
      }
    }
  }
}

#selected--zg-ul-select {
  align-items: center;
  box-sizing: border-box;
  color: #111;
  display: flex;
  font-family: 'Helvetica Neue', Helvetica, sans-serif;
  justify-content: space-between;
  font-size: 2em;
  width: auto;
  &.active {
    border: 1px solid #111;
    border-radius: 3px;
    box-shadow: 0 0 2px #aaa;
    padding: 0.5em;
  }
}
              
            
!

JS

              
                //
// ul-select
// https://github.com/zgreen/ul-select
//

$.fn.ulSelect = function(){
  var ul = $(this);

  if (!ul.hasClass('zg-ul-select')) {
    ul.addClass('zg-ul-select');
  }
  // SVG arrow
  var arrow = '<svg id="ul-arrow" xmlns="http://www.w3.org/2000/svg" version="1.1" width="32" height="32" viewBox="0 0 32 32"><line stroke-width="1" x1="" y1="" x2="" y2="" stroke="#449FDB" opacity=""/><path d="M4.131 8.962c-0.434-0.429-1.134-0.429-1.566 0-0.432 0.427-0.432 1.122 0 1.55l12.653 12.528c0.434 0.429 1.133 0.429 1.566 0l12.653-12.528c0.432-0.429 0.434-1.122 0-1.55s-1.136-0.429-1.566-0.002l-11.87 11.426-11.869-11.424z" fill="#111"/></svg>';
  $('li:first-of-type', this).addClass('active').append(arrow);
  $(this).on('click', 'li', function(event){
    
    // Remove div#selected if it exists
    if ($('#selected--zg-ul-select').length) {
      $('#selected--zg-ul-select').remove();
    }
    ul.before('<div id="selected--zg-ul-select">');
    var selected = $('#selected--zg-ul-select');
    $('li #ul-arrow', ul).remove();
    ul.toggleClass('active');
    // Remove active class from any <li> that has it...
    ul.children().removeClass('active');
    // And add the class to the <li> that gets clicked
    $(this).toggleClass('active');

    var selectedText = $(this).text();
    if (ul.hasClass('active')) {
      selected.text(selectedText).addClass('active').append(arrow);
    }
    else {
      selected.text('').removeClass('active'); 
      $('li.active', ul).append(arrow);
    }
    });
    // Make ul tabbable
    /*$(ul).focus(function(){
     $(this).keydown(function(e) {
      if(e.which == 38 || 40) { // Up or down keypress
        $(this).addClass('active');
        var liActive =  $('li.active', ul);
        var liPrev = $('li.active', ul).prev();
        var liNext =  $('li.active', ul).next();
        if(e.which == 38) { // Down
          liActive.removeClass('active');
          liPrev.addClass('active');
        }
        if(e.which == 40) { // Down
          liActive.removeClass('active');
          liNext.addClass('active');
        }
      }
     });
     $(this).keydown(function(){
        if(e.which == 13) { // Down
          ul.removeClass('active');
        }
      });
    });*/
    // Close the faux select menu when clicking outside it 
    $(document).on('click', function(event){
    if($('ul.zg-ul-select').length) {
     if(!$('ul.zg-ul-select').has(event.target).length == 0) {
      return;
    }
    else {
      $('ul.zg-ul-select').removeClass('active');
      $('#selected--zg-ul-select').removeClass('active').text('');
      $('#ul-arrow').remove();
      $('ul.zg-ul-select li.active').append(arrow);
    } 
    }
    });
  }

// Run
$('#be-select').ulSelect();
              
            
!
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