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ToolJet/docs/versioned_docs/version-2.9.0/how-to/intentionally-fail-js-query.md
Shubhendra Singh Chauhan e9c7cdf57e
[docs] Appbuilder 1.1 (#6874) 
* [docs] conditional action #6304

* [docs] plotly bar mode

* [docs] private app embed var

* [doc] table: selectedCell

* [doc]table nested data

* [doc]number-decimal

* [doc]buttontext

* [doc]boundedbox:default data

* [doc]multi-env updates

* [doc]version 2.9.0

* commented: PR5926

* commented: PR5296 minor change
2023-07-05 19:30:20 +05:30

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intentionally-fail-js-query Intentionally fail a RunJS query

In this how-to guide, we will create a RunJS query that will throw an error.

  • Create a RunJS query and paste the code below. We will use the constructor ReferenceError since it is used to create a range error instance.

    throw new ReferenceError('This is a reference error.');

  • Now, add a event handler to show an alert when the query fails. Save the query and Run it.

    Intentionally fail a RunJS query

:::info Most common use-case for intentionally failing a query is debugging. :::