JSFiddle - React, Tailwind, and code Playground

HTML

<div id = "container" style = "background:yellow;height:200px;width:500px;">      
            <div id="moveMe" style="width:100px;height:100px;border:1px solid black;background-color:red;cursor:pointer;"></div>

JavaScript

dojo.require("dojo.dnd.move");
dojo.ready(function(){

    var pcm = new dojo.dnd.move.boxConstrainedMoveable(dojo.byId("moveMe"), {
        box : dojo.byId("container"),
        within : true
    });

});