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This article mainly shows you "what is the use of set and delete in vue". It is easy to understand and clear. I hope it can help you solve your doubts. Let me lead you to study and learn this article "what is the use of set and delete in vue".

Set 、 delete

Function: set and delete the properties of responsive data, and trigger view update at the same time.

Usage:

/ / usage 1Vue.set (target, key, value) Vue.delete (target, key) / / usage 2vm.$set (target, key, value) vm.$delete (target, key)

Description:

Target: target object

Key: name of the attribute to add

Value: attribute value to add

Ps: mainly use scenarios to avoid the restriction that Vue cannot detect the deletion of property

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