mirror of
https://github.com/tenrok/vue-select.git
synced 2026-05-17 02:29:37 +03:00
Jeff Sagal
34 lines
1.6 KiB
Markdown
34 lines
1.6 KiB
Markdown
## Default
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With the default CSS, Vue Select uses absolute positioning to render the dropdown menu. The root
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`.v-select` container (the components `$el`) is used as the `relative` parent for the dropdown. The
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dropdown will be displayed below the `$el` regardless of the available space.
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This works for most cases, but you might run into issues placing into a modal or near the bottom of
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the viewport. If you need more fine grain control, you can use calculated positioning.
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## Calculated <Badge text="v3.7.0+" />
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If you want more control over how the dropdown is rendered, or if you're running into z-index issues,
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you may use the `appendToBody` boolean prop. When enabled, Vue Select will append the dropdown to
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the document, outside of the `.v-select` container, and position it with Javscript.
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When `appendToBody` is true, the positioning will be handled by the `calculatePosition` prop. This
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function is responsible for setting top/left absolute positioning values for the dropdown. The
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default implementation places the dropdown in the same position that it would normally appear.
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## Popper.js Integration <Badge text="v3.7.0+" />
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[Popper.js](https://popper.js.org/) is an awesome, 3kb utility for calculating positions of just
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about any DOM element relative to another.
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By using the `appendToBody` and `calculatePosition` props, we're able to integrate directly with
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popper to calculate positioning for us.
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<PositionedWithPopper />
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Check out the [Popper Docs](https://popper.js.org/docs/v2/modifiers/) to see the full `modifiers`
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API being used below.
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<<< @/.vitepress/components/PositionedWithPopper.vue{25-59}
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