JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://underscorejs.org/underscore-min.js"></script>
<script src="http://backbonejs.org/backbone-min.js"></script>
<div id ="parent_id">
    </div>

JavaScript

var MyView = Backbone.View.extend({

        events: {
            "click .btn1" : "sayHello",
        },
        
        sayHello : function() {
            alert("Hello");
        },

                                  
        render : function() {
            this.$el.html("<input type='button' class='btn' value='Say Hello'></input>");

        }
    });

$(function() {
    myView = new MyView({el:"parent_id"});
    myView.render();
});