The gag combo generator is a web browser app, so you will need JavaScript (as well as WebAssembly) enabled to use it. Don’t worry, though, all of the code on this page (and this website generally) is free software, licensed to you under the terms of the GNU Affero General Public License, version 3 (or any later version of the same license, at your option). See the JavaScript/WebAssembly license information page for more details and access to source code.