JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <span class="testEvent">first</span>
    <span class="testEvent">second</span>
</div>

Number of binds: <input class="bindNumber"/><input type="button" value="bind" class="bindAgain"/>

JavaScript

$('.bindAgain').click(function() {
    var number = $('.bindNumber').val();
    $('.testEvent').unbind('click');
    for(var i = 0; i < number; i++ ) {
        $('.testEvent').click(function() {
            console.log(i);
        });
    }
});