<div></div>
<button>Создать новый элемент</button>
var counter = 0;

$("button").click(function() {
    $("div").append("<p class='test'>Нажми на меня " + (++counter) + "</p>")
});

$("div").on("click", "p.test", function(){
    alert($(this).text());
});

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. //cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js