JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
<button id="removeContact" class="btn btn-box-tool">-</button>
<button id="addContact" class="btn btn-box-tool">+</button>
<div id="contactWrapper">
    <div id="contactInputs">
        111
    </div>
</div>

JavaScript

$('#addContact').click(function() {
        $( "#contactInputs" ).clone().appendTo( "#contactWrapper" );
    	return false;
	});

    $('#removeContact').click(function() {
        $("#contactWrapper").find("#contactInputs").last().remove();
        return false;
    });