Under what circumstances will vue execute the destruction hook in the life cycle?
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When the component is destroyed
<demo v-if="hasDemo"></demo>
Then when hasDemo is changed from true to false, the destruction hook of the Demo component will be triggered.
hasDemo
Note that the v-show command does not destroy the element but only hides it, so this hook will not be triggered.
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When the component is destroyed
Then when
hasDemois changed from true to false, the destruction hook of the Demo component will be triggered.Note that the v-show command does not destroy the element but only hides it, so this hook will not be triggered.