[wmeddie]

For anyone wondering how Chinese/Japanese/Korean input works interms of DOM events check out the W3C's working draft of the IME API [http://www.w3.org/TR/2013/WD-ime-api-20130815/]. Specifically the sequence diagram near the end of the page.

[janjongboom]

Technically speaking it's the Google proposal, Mozilla is working on a counter proposal at https://wiki.mozilla.org/WebAPI/KeboardIME.