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# Form Spinbutton
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> TBD
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> Spinbuttons are a BottstrapVue custom numerical range form control. Spin buttons allow for incrementing
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> or decrementing a numerical value within a range of a minimum and maximum number, with optional step
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> value.
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`<b-form-spinbutton>` is WAI_ARIA compliant, allowing for keyboard control, and support both horizontal
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(default) and vertical layout.
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```html
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<template>
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<div>
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<label for="demo-sb">Spin Button</label>
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<b-form-spinbutton id="demo-sb" v-model="value" min="1" max="100"></b-form-spinbutton>
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<p>Value: {{ value }}</p>
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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value: 50
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}
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}
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}
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</script>
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<!-- b-spin-botton-demo.vue -->
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```
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## Overview
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Spinbuttons have a default range from `1` to `100`, which can be changed by setting the `min` and
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`max` props. The default step increment is `1`, which can be changed via the `step` prop (decimal
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values allowed).
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When `step` is set, the value will always be a multiple of the step size plus the minimum value.
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The <kbd>ArrowUp</kbd> and <kbd>ArrowDown</kbd> keys can be used to increment or decrement the
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value.
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## Styling
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### Size
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As with other form controls, `<b-form-spinbutton>` supports small and large sizing via setting the
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`size` prop to either `'sm'` or `'lg'`, respectively.
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```html
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<template>
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<div>
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<label for="sb-small">Spin button - Small size</label>
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<b-form-spinbutton id="sb-small" size="sm" class="mb-2"></b-form-spinbutton>
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<label for="db-default">Spin button - Default size</label>
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<b-form-spinbutton id="sb-default" class="mb-2"></b-form-spinbutton>
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<label for="db-large">Spin button - Large size</label>
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<b-form-spinbutton id="sb-large" size="lg" class="mb-2"></b-form-spinbutton>
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</div>
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</template>
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<!-- b-spin-botton-size.vue -->
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```
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### Inline
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TBD
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### Vertical
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Spinbuttons can be oriented in vertical mode
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```html
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<template>
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<div>
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<label for="sb-vertical">Vertical spin button</label><br>
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<b-form-spinbutton id="sb-vertical" vertical></b-form-spinbutton>
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</div>
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</template>
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<!-- b-spin-botton-vertical.vue -->
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```
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Vertical spinbuttons can also be sized.
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### Width
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TBD
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### Using in input groups
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TBD
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## Validation states
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TBD
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## Events
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TBD
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## Accessibility
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TBD

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