const go = new Go(); WebAssembly.instantiateStreaming(fetch("demos/wasm/main.wasm"), go.importObject).then((result) = { go.run(result.instance); }); This is a small online tool where you can “upload” multiple gifs to concatinate all gifs to one (no drag & drop, just select one after another).
The cool thing: nothing is uploaded to a server, everything is handled right in your browser! If you want to have a look in the network debugger: all requests are intercepted and answered “from ServiceWorker”...