Available Globals

All JavaScript native globals are available (Object, Array, Promise, etc.). There are no built-in Node.js modules like fs, http. It’s possible to import npm packages as long as they don’t depend on Node.js Modules and missing Web Globals.

​

Shared Globals

The following globals are available on both the server and client side.

• console.log()
• console.info()
• console.warn()
• console.error()
• TextEncoder
• TextDecoder
• setTimeout()
• clearTimeout()
• setInterval()
• clearInterval()
• URL
• URLSearchParams

​

Client Only

The following globals are only available on the client (web) side.

• queueMicrotask()
• window.open()

​

Server Only

The following globals are only available on the server side.

• fetch()
• Response
• Request
• Headers