Skip to content
JS
TypeScript error

TS2802

Type '{0}' can only be iterated through when using the '--downlevelIteration' flag or with a '--target' of 'es2015' or higher.

Reference entryTypeScriptFetched
This is a reference entry from TypeScript diagnosticMessages.json. A full explanation with fixes has not been written yet.

The error message

Type '{0}' can only be iterated through when using the '--downlevelIteration' flag or with a '--target' of 'es2015' or higher.
As listed by TypeScript diagnosticMessages.json

{0}, {1} and so on are filled in by the compiler.

Details

Category
Error
Severity
error

Related errors

or press Cmd/Ctrl + Enter. The text is only sent to this site to match it.
Source: TypeScript diagnosticMessages.json. Data fetched 2026-09-25T01:43:12.674Z.