JSFiddle - React, Tailwind, and code Playground
HTML
<select>
<option value="one">One</option>
<option value="two">Two</option>
<option value="defalut" disabled="disabled" selected="selected">Default</option>
<option value="three">Three</option>
</select>
<select>
<option value="defalut" disabled="disabled" selected="selected">Default</option>
<option value="one">One</option>
<option value="two">Two</option>
<option value="three">Three</option>
</select>
<select>
<option value="defalut">Default</option>
<option value="one">One</option>
<option value="two">Two</option>
<option value="three">Three</option>
</select>
<button>reset</button>
JavaScript
$(document).on('click', 'button', function(e) {
var opt = $('select').val(0).children('option').filter(function(i){ return this.hasAttribute('selected') });
opt.prop('selected', 'selected');
});