JSFiddle - React, Tailwind, and code Playground
HTML
<script src="http://rawgithub.com/kangax/fabric.js/master/dist/all.js"></script>
<canvas id="c" width="400" height="200"></canvas>
CSS
#c {
border:1px solid #000;
}
JavaScript
var canvas = new fabric.Canvas('c');
var Bar = new fabric.Text('Bar', {selectable: false, top: 50, left: 10});
var rect = new fabric.Rect({width: 100, height: 100, left: 100, top: 100, fill: 'red'});
var group = new fabric.Group([rect, Bar], {selectable: true, top: 50, left: 100});
canvas.add(group);
canvas.renderAll();
$(document).click(function(e) {
console.log('click');
console.log('ActiveObject', canvas.getActiveObject());
console.log('ActiveGroup', canvas.getActiveGroup());
Bar.setText('Selectedoooooooo');
});