JSFiddle - React, Tailwind, and code Playground

HTML

<select id="day">
    <option value="1">1</option>
    <option value="2">2</option>
    <option value="3">3</option>
    <option value="4">4</option>
    <option value="5">5</option>
    <option value="6">6</option>
    <option value="7">7</option>
    <option value="8">8</option>
    <option value="9">9</option>
    <option value="10">10</option>
    <option value="11">11</option>
    <option value="12">12</option>
    <option value="13">13</option>
    <option value="14">14</option>
    <option value="15">15</option>
    <option value="16">16</option>
    <option value="17">17</option>
    <option value="18">18</option>
    <option value="19">19</option>
    <option value="20">20</option>
</select>
<select id="month">
    <option value="Jan">Jan</option>
    <option value="Feb">Feb</option>
    <option value="Mar">Mar</option>
    <option value="Apr">Apr</option>
    <option value="May">May</option>
    <option value="Jun">Jun</option>
    <option value="Jul">Jul</option>
    <option value="Aug">Aug</option>
    <option value="Sep">Sep</option>
    <option value="Oct">Oct</option>
    <option value="Nov">Nov</option>
    <option value="Dec">Dec</option>
</select>
<select id="year">
    <option value="2014">2014</option>
    <option value="2015">2015</option>
</select>

JavaScript

function data() {
    'use strict';

    // Get today's date
    var today = new Date();

    // Create an array of month names for the month fields
    var monthNames = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];

    // Increase date by 1 day
    today = new Date(today.valueOf() + 86400000);

    // Set the values
    document.getElementById('day').value = today.getUTCDate();
    document.getElementById('month').value = monthNames[today.getUTCMonth()];
    document.getElementById('year').value = today.getUTCFullYear();
}

// Automatically do this on load
window.addEventListener('load', data, false);