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JS
JavaScript error

TypeError

The JavaScript exception "more arguments needed" occurs when there is an error with how a function is called. More arguments need to be provided.

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

The error messages

TypeError: Object prototype may only be an Object or null: undefined (V8-based)
As listed by MDN Web Docs
TypeError: Object.create requires at least 1 argument, but only 0 were passed (Firefox)
As listed by MDN Web Docs
TypeError: Object.setPrototypeOf requires at least 2 arguments, but only 0 were passed (Firefox)
As listed by MDN Web Docs
TypeError: Object.defineProperties requires at least 1 argument, but only 0 were passed (Firefox)
As listed by MDN Web Docs
TypeError: Object prototype may only be an Object or null. (Safari)
As listed by MDN Web Docs

Details

Category
TypeError
Severity
error
Runtime
both

Related errors

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Source: MDN Web Docs. Data fetched 2026-09-25T01:48:37.274Z.