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2025-01-24 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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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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