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ToolJet/docs/versioned_docs/version-2.29.0/how-to/intentionally-fail-js-query.md
Karan Rathod 7d4cd6da47
[docs]:app builder 1.5 updates (#8672) 
* add getter function and table transformation docs

* add dropdown, number-input, password-input and text-input docs

* [docs] custom parameters for queries

* update docs for revamped components, runJS and runPy functions and sidebar

* change order of properties and other misc changes

* update query panel and other minor fixes

* added version 2.29.0

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Co-authored-by: Shubhendra <withshubh@gmail.com>
2024-02-15 11:51:55 +05:30

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id title
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. :::