JSFiddle - React, Tailwind, and code Playground
HTML
<div id="cars">
<input type="text" name="car_added[]" class="car" />
</div>
<input type="button" value="Click Me" id="clickMe"/>
JavaScript
$(function(){
$('#cars .car').datepicker();
$('#clickMe').click(function(){
var newElement = $('<input type="text" name="car_added[]" class="car" />');
newElement.datepicker();
$('#cars').append(newElement);
});
});