How vue listens to the lifecycle of components

This article will explain in detail how vue monitors the life cycle of components. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

The life cycle of the listening component

For example, there are parent component Parent and child component Child. If the parent component listens to the mounted mounted by the child component, do some logical processing. The general way to write it may be as follows:

/ / Parent.vue// Child.vuemounted () {this.$emit ("mounted");}

A very simple method is provided here. Child components do not need any processing, but only need to listen through @ hook when the parent component references. The code is rewritten as follows:

Of course, it is not only possible to monitor mounted, but also other lifecycle events, such as created,updated, etc., is it particularly convenient?

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