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Liam DeBeasi 4cf948fb47 docs: account for this context (#28720)
Issue number: N/A

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## What is the current behavior?
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In https://github.com/ionic-team/ionic-framework/issues/28694 there was
some confusion around how to access `this` inside of a callback function
passed to a property on Ionic components. The root issue was due to how
the `this` context is determined with developers being responsible for
setting the appropriate `this` context.

## What is the new behavior?
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this PR. -->

- While this isn't an Ionic bug, I think it's worth calling out this
behavior so developers are aware of how to account for it.

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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## Other information

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screenshots of how the component looks before and after the change. -->


Note: The link in the docs will not work until
https://github.com/ionic-team/ionic-docs/pull/3333 is merged.

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Co-authored-by: Amanda Johnston <90629384+amandaejohnston@users.noreply.github.com>
2023-12-19 22:33:34 +00:00
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