JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://www.pacsoft.com/froogaloop/froogaloop.js"></script>
<div class="container">
                <div>
                    <iframe id="player_1" src="http://player.vimeo.com/video/7100569?api=1&amp;player_id=player_1" width="540" height="304" frameborder="0"></iframe>
                    
                    <button class="seek">Seek 30</button>
                </div>
            </div>

JavaScript

(function(){

    // Listen for the ready event for any vimeo video players on the page
    var vimeoPlayers = document.querySelectorAll('iframe'),
        player;

    for (var i = 0, length = vimeoPlayers.length; i < length; i++) {
        player = vimeoPlayers[i];
        $f(player).addEvent('ready', ready);
    }

    function addEvent(element, eventName, callback) {
        if (element.addEventListener) {
            element.addEventListener(eventName, callback, false);
        }
        else {
            element.attachEvent(eventName, callback, false);
        }
    }

    function ready(player_id) {
        // Keep a reference to Froogaloop for this player
        var container = document.getElementById(player_id).parentNode.parentNode,
            froogaloop = $f(player_id),
            apiConsole = container.querySelector('.console .output');

        function apiLog(message) {
            apiConsole.innerHTML = message + '\n' + apiConsole.innerHTML;
        }
                
                function loadMiddle() {
                    froogaloop.api('seekTo', 63);
                }
                
        function setupModifierButtons() {
            var buttons = container.querySelector('div'),
                seekBtn = buttons.querySelector('.seek');
                
            // Call seekTo when seek button clicked
            addEvent(seekBtn, 'click', function(e) {
                froogaloop.api('play');
                setTimeout( loadMiddle, 500);
            }, false);
                        
        }

        setupModifierButtons();

        apiLog(player_id + ' ready!');
    }
})();