Copy OpenClipArt tags easily from a text box

OpenClipart Tag Copy Helper

// ==UserScript==
// @name         OpenClipart Tag Copy Helper
// @namespace    https://github.com/qubodup
// @version      0.1
// @description  makes copying tags easier, for remixing
// @author       qubodup
// @match        https://openclipart.org/detail/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=openclipart.org
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // https://stackoverflow.com/a/12897970/188159
    window.addEventListener('load', function() {
        // https://stackoverflow.com/questions/16570564/jquery-get-an-array-of-text
        var array = $('.clipart-detail-meta > dl > dd > a').map(function(){
               return $.trim($(this).text());
            }).get();
        var tagtext = array.join(', ')
        $('.clipart-detail-meta > dl').after('<textarea style="width:100%">' + tagtext + '</textarea>');

}, false);
})();