Add one-click Basecamp applause boosts with Tampermonkey

applause.js

// ==UserScript==
// @name         Basecamp Applause Boost
// @namespace    https://www.onfocus.com/
// @version      0.1
// @description  Create an applause boost button
// @author       Paul Bausch
// @match        https://3.basecamp.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var player = document.createElement('audio');
    player.src = 'https://www.onfocus.com/Mario-coin-sound.mp3';
    player.preload = 'auto';

    $('.boost-form').each(function( index ) {
       var button = $('<div class="boost boost-form"><span class="emoji boost-form__label" style="background:none;font-size:1.3em;">👏</span></div>').css('background','none');
       button.click(function() {
           $(this).prev().find('label').click();
           $(this).prev().find('#boost_content').val('👏');
           $(this).prev().find('input[name="commit"]').click();
           player.play();
       });
       $(this).after(button);
    });
})();