The method of switching between component v-if and v-show

In this article, Xiaobian introduces in detail the method of switching between v-if and v-show, with detailed content, clear steps and proper handling of details. I hope that this article, "the method of switching between v-if and v-show," can help you solve your doubts.

V-if

Initial rendering

The initial value is that the false component does not render, the lifecycle hook does not execute, and the rendering of v-if is lazy.

When the initial value is true, the component renders and executes the beforeCreate,created,beforeMount,mounted hook in turn.

Handover

False = > true

Execute the beforeCreate,created,beforeMount,mounted hook in turn.

True = > false

Execute the beforeDestroy,destroyed hook in turn.

V-show

Render

Regardless of the initial state, the component will render, executing the beforeCreate,created,beforeMount,mounted hook in turn, and the rendering of v-show is non-lazy.

Handover

There is no effect on the lifecycle hook, and the component always stays on the mounted hook when switching.

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