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Oct 30, 2024
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docs: Add note for dimension bindings. #634

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9d6ab67
Update index.md
christophsanz Oct 25, 2024
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Update apps/svelte.dev/content/tutorial/02-advanced-svelte/04-advance…
Rich-Harris Oct 30, 2024
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explain implementation
Rich-Harris Oct 30, 2024
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4 changes: 3 additions & 1 deletion ...content/tutorial/02-advanced-svelte/04-advanced-bindings/04-dimensions/index.md
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Expand Up @@ -2,7 +2,7 @@
title: Dimensions
---

You can add `clientWidth`, `clientHeight`, `offsetWidth` and `offsetHeight` bindings to any element:
You can add `clientWidth`, `clientHeight`, `offsetWidth` and `offsetHeight` bindings to any element, and Svelte will update the bound values using a [`ResizeObserver`](https://developer.mozilla.org/en-US/docs/Web/API/ResizeObserver):

```svelte
/// file: App.svelte
Expand All @@ -13,3 +13,5 @@ You can add `clientWidth`, `clientHeight`, `offsetWidth` and `offsetHeight` bind
```

These bindings are readonly — changing the values of `w` and `h` won't have any effect on the element.

> [!NOTE] `display: inline` elements do not have a width or height (except for elements with 'intrinsic' dimensions, like `<img>` and `<canvas>`), and cannot be observed with a `ResizeObserver`. You will need to change the `display` style of these elements to something else, such as `inline-block`.
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