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JS
JavaScript error

SyntaxError

The JavaScript exception "missing name after . operator" occurs when there is a problem with how the dot operator (.) is used for property access.

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: missing name after . operator (Firefox)
As listed by MDN Web Docs
SyntaxError: Unexpected token '['. Expected a property name after '.'. (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 2026-09-25T01:48:37.274Z.