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mia! edited this page Mar 11, 2026 · 4 revisions

Luau Web

Luau is an embeddable programming language, this fork rewrites the WASM execution API and actually implements interop allowing you to provide a custom environment for the script that is executed, as well as interop allowing JS to call functions from Lua, and Lua to call functions from JS.

Caution

The base Luau VM is safe and the security is on your hands. The values and functions you expose to the runtime aren't going to be automatically safe. It is your job to ensure that your code will run safe alongside the running luau script you create.

Follow the basic security principles laid out in the security page for tips.

Pages

Luau Web API
Luau Web Limitations
Luau Web Options
Luau Web Tools
Luau Web Multithreading
Runtime Security
Frequently Asked Questions

If you need help, please feel free to open a discussion in the Discussions and ask for help or DM me on Discord or join my Discord server to make a ticket.
If you have issues with Luau Web, please open an issue in Issues and explain what's wrong.

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