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【Vue.js】ボタンの表示文字列を動的に変更するサンプルコード

はじめに

Vue.jsを使って動的にボタンの表示文字列を変更するサンプルコードです。

親要素→子要素のデータの受け渡しを属性propsで行う方法を取っています。

環境

OS: macOS Catalina 10.15.1
Vue: 2.6.10
vue-cli: 4.1.1
vuetify: 2.1.0

出力

image.png

同じコンポーネントを使って、文字列だけを変更しています。

コード

Wrapper.vue
<template>
  <v-row>
    <Button/>
    <v-spacer></v-spacer>
    <Button
      buttonName="サインアップ"
    />
  </v-row>
</template>

<script>
  import Button from './Button.vue'

  export default {
    name: 'Wrapper',
    components: {
      Button,
    }
  }
</script>
Button.vue
<template>
  <v-btn>
    {{ buttonName }}
  </v-btn>
</template>

<script>
  export default {
    name: 'Button',
    props: {
      'buttonName': {
        type: String,
        default: 'ログイン'
      }
    }
  }
</script>

buttonNamedefault: 'ログイン'を指定しているため、Wrapper.vue側ではbuttonName="サインアップ"だけ指定しています。

おわりに

最後まで読んで頂きありがとうございました:bow_tone1:

どなたかの参考になれば幸いです:relaxed:

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