JSFiddle - React, Tailwind, and code Playground
HTML
<select data-attr="dropdown" id="input1">
<option value="Male" id="Male">Male</option>
<option value="Female" id="Female">Female</option>
</select>
JavaScript
$(document).ready(function(){
console.log($('#input1 option').size());
console.log($('#input1 option').length);
});