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【Vue.js】Elements in iteration expect to have 'v-bind:key' directivesの解決法

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エラー

Elements in iteration expect to have 'v-bind:key' directives

原因

キー属性を指定していない。

解決法

各項目にキー属性を指定する必要があある。

エラーのコード

<li v-for="value in object">{{value}}</li>

解決するコード

<li v-for="value in object" :key='value'>{{value}}</li>
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