Not properly tested :-} Not dealing with the language issue (which could be handled in the getString() method) But I'm not sure it would improve performance - manipulating the DOM is probably taking most of the time.

Have already posted similar suspicion to Michel. But "manipulating" can be done multiple ways - Just setting .value or .text is probably much better than innerHTML. If the speed claims of Vue.Js are true, utilizing the DOM directly bound to VM is perfectly able to tie other new virtual DOM approaches like React or Mithril.