回答編集履歴
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追記
test
CHANGED
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@@ -2,4 +2,42 @@
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親
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```html
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8
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<box visibility-changed="this.visibilityChanged"></box>
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```
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子
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```js
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props: {
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visibilityChanged: Function,
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}
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```
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動作確認はしてませんがこんな感じかと。
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適切ならば子の方で `this.visibilityChanged()` で呼び出せるはずです。
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# 参考
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[https://jp.vuejs.org/v2/guide/components-props.html](https://jp.vuejs.org/v2/guide/components-props.html)
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42
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5
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https://teratail.com/questions/102635
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43
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[https://teratail.com/questions/102635](https://teratail.com/questions/102635)
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