Yes, it will :) And you're welcome to use it for your own projects. Just be sure to link to the PlayFabClientApi.js as shown in the PlayFabGetttingStarted code and, of course, you'll need to setup the game Title in your PlayFab account.
Looks like it's working. Remember you'll need to setup your own TitleId in PlayFab first. See https://docs.microsoft.com/en-us/gaming/playfab/personas/developer