Node.js error

ERR_INVALID_THIS

A Node.js API function was called with an incompatible this value. const urlSearchParams = new URLSearchParams('foo=bar&baz=new'); const buf = Buffer.alloc(1); urlSearchParams.has.call(buf, 'foo'); // Throws a TypeError with code 'ERR_INVALID_THIS'

Reference entryNode.jsFetched 25 Sept 2026

This is a reference entry from Node.js documentation. A full explanation with fixes has not been written yet.

The error message

Node.js documentation lists the code ERR_INVALID_THIS without the printed message text.

Details

Category: Node.js error codes
Severity: error
Runtime: node

Different error? Paste it

or press Cmd/Ctrl + Enter. The text is only sent to this site to match it.

Source: Node.js documentation. Data fetched 2026-09-25T01:43:12.379Z.