JSFiddle - React, Tailwind, and code Playground

HTML

<div id="content">
    <div class="content">
        <textarea name="" id="textarea" cols="30" rows="10"></textarea>
    </div>
    
</div>

CSS

.content {
    padding: 20px;
    background-color: coral;
    display: inline-block;
    position: absolute;
}

JavaScript

$('#content').children().draggable({
    drag: function (event, ui) {
        var id = $(this).attr("id");
        $('#textarea').val(id);
    }
});