No. Long answer: Not officially, but there are impressive alternatives.
: Provides full documentation and templates for new developers. Related Full-Screen/Display Features If you are looking for how to use full-screen full-resolution features in the game itself: Full Screen Toggle minecraft githubio full
Using a "Full" client on github.io is likely to get the repository deleted, but individual players rarely face legal action—only a ban from Minecraft services. No. Long answer: Not officially
: A collection of Minecraft-themed games hosted for quick access via a browser. Key Features of Browser Versions minecraft githubio full