JSFiddle - React, Tailwind, and code Playground

HTML

<div id="add">
<input type="text" id="field_1" name="field_1" value="" placeholder="Credit 1" /><a href="#" id="new">Add more</a>
    <br />
</div>

JavaScript

$(function() {
var addinput = $('#add');
var i = $('#add').size() + 1;

$('#new').live('click', function() {
$('<input type="text" id="field_' + i +'" name="field_' + i +'" value="" placeholder="Credit ' + i + '" /><br />').appendTo(addinput);
i++;

return false;
});

});