JSFiddle - React, Tailwind, and code Playground

HTML

<form name="bgcolorForm">View my artwork:
    <select name="backArt" id="backArt">
        <option value="image1.gif">A Wedding Photo</option>
        <option value="image2.jpg">Beautiful Sunset</option>
        <option value="image3.gif">Canyon Lights</option>
        <option value="image4.gif">Morning Dew</option>
        <option value="image5.jpg">My Wife's Ugly Wart</option>
        <option value="image6.gif">My Beautiful Children</option>
    </select>
</form>

JavaScript

$(function () {
    $('#backArt').on('change', function () {
        var backImg = $('option:selected', this).val();
        $('body').css('background-image', 'url(' + backImg + ')');
    });
});