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* Minor change in active-search docs You don't want people to believe they need a POST request to run a search query. * More limitations of hx-preserve
19 lines
798 B
Markdown
19 lines
798 B
Markdown
---
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layout: layout.njk
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title: </> htmx - hx-preserve
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---
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## `hx-preserve`
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The `hx-preserve` attribute allows you to keep an element unchanged during HTML replacement.
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Elements with `hx-preserve` set are preserved by `id` when htmx updates any ancestor element.
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You *must* set an unchanging `id` on elements for `hx-preserve` to work.
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The response requires an element with the same `id`, but its type and other attributes are ignored.
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Note that some elements cannot unfortunately be preserved properly, such as `<input type="text">` (focus and caret position are lost), iframes or certain types of videos. To tackle some of these cases we recommend the [morphdom extension](/extensions/morphdom-swap/), which does a more elaborate DOM
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reconciliation.
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### Notes
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* `hx-preserve` is not inherited
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