
              <option value="/bin/tests/ls.wasi.wasm">
                List dir in arg1 and print on STDOUT
              </option>
              <option value="/bin/languages/qjs.wasm">QuickJS</option>
              <option value="/reactors/return_57.wasi.wasm">Return 57</option>
            </select>
          </label>
        </p>
        <p>
          <label>
            args:
            <input id="args" type="text" />
          </label>
        </p>
        <p>
          <label>
            env:
    