JSFiddle - React, Tailwind, and code Playground

HTML

<canvas id="canvas" width="400" height="400"></canvas>

JavaScript

var stage = new createjs.Stage("canvas");

var box = new createjs.Shape();
box.graphics.beginFill("red").drawRect(100, 100, 100, 100);
box.shadow = new createjs.Shadow('#000', 4, 4, 5);

stage.addChild(box);
stage.update();