JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://getfirebug.com/firebug-lite-debug.js"></script>
<select class="special" multiple>
  <option value="1" selected>1: Lorem ipsum</option>
  <option value="2"  >2: dolor sit amet</option>
</select>

<select multiple>
  <option value="3"  selected>3: Lorem ipsum</option>
  <option value="4"  >4: dolor sit amet</option>
</select>

CSS

option[selected] {
   background-color: orange;
}

JavaScript

var elements = document.querySelectorAll('.special option');
for(var i=0; i < elements.length; i++) {
    elements[i].selected = false;
}

setTimeout(function(){
  var elements = document.querySelectorAll('option');
	for(var i=0; i < elements.length; i++) {
     console.log('Value = ' + elements[i].value + ' selected: '+ elements[i].selected);
     console.log(elements[i].attributes)
	}
}, 1000);