JSFiddle - React, Tailwind, and code Playground

HTML

<span class="taPicker" data-imgID="0">1</span>
<span class="taPicker" data-imgID="1">2</span>
<span class="taPicker" data-imgID="2">3</span>

JavaScript

function getPickerClasses(index, className) {
  return className.split(' ').filter((classItem) => classItem.includes('picker-'));
}

$(".taPicker").click(function(e) {
    var imgID = $(this).attr("data-imgID");
    
    $('body').removeClass(getPickerClasses).addClass('picker-' + imgID);
});