Vue · Senior · Question 12 of 75

How can changing the `key` of a component be used intentionally?

<UserForm :key="user.id" :user="user" />

✓Correct answer: To force a full remount with fresh state when the key changes
2To make the component render faster
3To pass the key as a prop

Explanation

A new key means a new component instance. It is a simple way to reset forms when switching entities, at the cost of recreating the subtree.

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