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What is the difference between the v-if and v-show commands in vue

2025-01-17 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article will explain in detail what is the difference between v-if and v-show commands in vue. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

What is the difference between v-if and v-show?

The first way to answer:

The second way to answer:

V-if is true conditional rendering because it ensures that event listeners and subcomponents within the conditional block are properly destroyed and rebuilt during switching; it is also lazy: if the condition is false at the initial rendering, nothing is done-the conditional block does not begin to render until the condition becomes true for the first time.

V-show is much simpler-- no matter what the initial condition is, the element is always rendered and simply switched based on the "display" attribute of CSS.

Therefore, v-if is suitable for scenarios where conditions are rarely changed at runtime and do not need to switch conditions frequently, while v-show is suitable for scenarios where conditions need to be switched very frequently.

Why to use VueVue is a friendly, multi-purpose and high-performance JavaScript framework, using vue can create a more maintainable and testable code base, Vue allows you to split a web page into reusable components, each component contains its own HTML, CSS, JavaScript, to render the corresponding place in the web page, so more and more front-end developers use vue.

This is the end of the article on "what is the difference between v-if and v-show commands in vue". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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