JSFiddle - React, Tailwind, and code Playground

HTML

<select size="2">
    <option>Shell</option>
    <option>Cabbage</option>
    <option>Beans</option>
    <option>Cheese</option>
    <option>Clock</option>
    <option>Monkey</option>
</select>

JavaScript

$(document).ready(function (event) {   
    $('select').on('mouseenter', 'option', function (e) {
        this.style.background = "yellow";
    });
    $('select').on('mouseleave', 'option', function (e) {
        this.style.background = "none";
    });
});