JSFiddle - React, Tailwind, and code Playground

HTML

<div id="content"></div>
<input type="button" value="Add Box" id="add_box"></input>

JavaScript

var id = 0;

$(document).on("click", "#add_box", function () {
    id++;
    $("#content").append('<div class="box">Box '+ id +'</div>');
});

$(document).on("click", ".box", function(){
    var my_value = $(this).text();
    alert(my_value);
});