JSFiddle - React, Tailwind, and code Playground
by rwaldron
HTML
<div id="ui-tabs-2">
<select name="programs[]" multiple="multiple" size="5" style="width:30em">
<option value="660"> zanox AdServer - 660</option>
<option value="5178"> Vodafone ES - 5178</option>
</select>
</div>
JavaScript
console.log([
// expects, actual
1,
$("select[multiple=multiple]", $("#ui-tabs-2")[0]).length
]);