JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <body>
        <div class="list">
            <div class="item">
                <div class="delete">delete</div>
            </div>
            <div class="item">
                <div class="delete">delete</div>
            </div>
        </div>
        <div class="test"></div>

CSS

.list{background:red;}
.delete{background:green;}
.ui-selected{background:red;}

JavaScript

$('body').delegate('.delete', 'click', function() {
  $('.test').append('test')
})
$('.list').selectable({start:function(e,ui){$('.test').append('test2')}})