JSFiddle - React, Tailwind, and code Playground
by JoshC
HTML
<table>
<th id="form:dataTable:discountStartDate">
<span class="ui-sortable-column-icon ui-icon ui-icon-carat-2-n-s">first item..</span>
<span class="ui-sortable-column-icon ui-icon ui-icon-carat-2-n-s">second item.. (using jQuery the class is removed)</span>
</th>
</table>
CSS
.ui-sortable-column-icon {
color:red;
}
JavaScript
$('#form\\:dataTable\\:discountStartDate > span:last').removeClass('ui-sortable-column-icon');