JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://threedubmedia.com/inc/js/jquery.event.drag-2.2.js"></script>
    <p>Drag the first square, the two others are going to drag with it</p>
    <div id="test" class="drag" style="left:20px;">Square 1</div>
    <div class="drag yellow" style="left:100px;"></div>
    <div class="drag red" style="left:180px;"></div>

CSS

.drag {
        position: absolute;
        border: 1px solid #89B;
        background: #BCE;
        height: 58px;
        width: 58px;
        cursor: move;
        top: 120px;
}
.red {
        background-color: red;
}
.yellow {
        background-color: yellow;
}

JavaScript

$('.drag').drag("init", function(ev, dd) {
    if (this.id == "test") {
        return $(".drag").addClass("selected");
    }
}).drag(function(ev, dd) {
    if (ev.target.id == "test") {
        $(this).css({
            top: dd.offsetY,
            left: dd.offsetX
        });
    }
});