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Potentially invalid reference to 'this' of a class from closure

Reports an attempt to reference a member of an ECMAScript class via the this. qualifier in a nested function that is not a lambda.

this in a nested function that is not a lambda is the function's own this and doesn't relate to the outer class.

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

JSPotentiallyInvalidUsageOfClassThis
Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | JavaScript and TypeScript | Probable bugs

Inspection ID: JSPotentiallyInvalidUsageOfClassThis

Suppressing Inspection

You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:

//noinspection JSPotentiallyInvalidUsageOfClassThis

More detailed instructions as well as other ways and options that you have can be found in the product documentation:

Last modified: 18 September 2025