JSFiddle - React, Tailwind, and code Playground

HTML

<div id="removeMe">
    <div>
        <input type="text" placeholder="enter something here" />
        <input type="text" placeholder="enter something here" />
        <input type="text" />
    </div>
</div>

<button onclick="var div = document.getElementById('removeMe'); div.parentNode.removeChild(div);">Remove it!</button>

JavaScript

/* 
 * The MIT License
 *
 * Copyright (c) 2014 Tony Leeper
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), 
 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

(function () {
    function getContentElementFromInput(input) {
        return input.parentElement.getElementsByTagName('placeholder-shim-content')[0];
    }

    function updatePlaceholderText(input, placeholderText) {
        var content = getContentElementFromInput(input);
        content.childNodes[0].nodeValue = placeholderText;
    }

    function applyPlaceholderShim(input) {
        var placeholderText = input.getAttribute('placeholder');
        if (!placeholderText) {
            return;
        }

        if (input.placeholderShimIsBound) {
            updatePlaceholderText(input, placeholderText);
            input.placeholderShim_setPlaceholderVisibility();
            return;
        }
        input.placeholderShimIsBound = true;

        var currentStyle = window.getComputedStyle(input);
        var paddingTop = currentStyle.paddingTop;
        var...