Recently, Tencent TIM also launched online document editing, which is also the same model.
The function of this product is still very good. Of course, compared with the native Office application, the function is still weak. Even the web version of Office 365 says it needs more powerful functions, such as opening links and editing with local applications.
There is also an online editing tool, UZER. ME, using video streaming technology, is a native cloud office application. You can also refer to it