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JS
JavaScript error

SyntaxError

The JavaScript exception "await is only valid in async functions, async generators and modules" occurs when an await expression is used outside of async functions or modules or other async contexts.

Reference entryJavaScriptFetched
This is a reference entry from MDN Web Docs. A full explanation with fixes has not been written yet.

The error messages

SyntaxError: await is only valid in async functions and the top level bodies of modules (V8-based)
As listed by MDN Web Docs
SyntaxError: await is only valid in async functions, async generators and modules (Firefox)
As listed by MDN Web Docs
SyntaxError: Unexpected identifier (Safari)
As listed by MDN Web Docs

Details

Category
SyntaxError
Severity
error
Runtime
both

Related errors

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Source: MDN Web Docs. Data fetched 2026-09-25T01:48:37.273Z.