Others

debugger

Invokes any available debugging functionality. If no debugging functionality is available, this statement has no effect.

export

Used to export functions to make them available for imports in external modules, and other scripts.

import

Used to import functions exported from an external module, another script.

import.meta

Exposes context-specific metadata to a JavaScript module.

label

Provides a statement with an identifier that you can refer to using a break or continue statement.

with

Extends the scope chain for a statement.