JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://cdn.yappli.com/js/library/angular/1.2.15/angular.js"></script>
<form>
    <select id="x" required>
        <option value="" selected="selected">selected label - show me</option>
    </select>
</form>

JavaScript

selectedOpt = x.children[0];
selectedOptClone = selectedOpt.cloneNode(true);
x.removeChild(selectedOpt);
plainOpt = document.createElement('option');
plainOpt.textContent = "don't show me";
x.appendChild(plainOpt);
x.insertBefore(selectedOptClone, plainOpt);