How to use slots to distribute content in Vue

Vue is a popular front-end framework that provides a convenient way to manage and organize components on the page. Among them, slot is a very practical function in Vue, which can help us dynamically distribute content in components. This article will introduce how to use slots to distribute content in Vue, and provide some additional usage and precautions.

1. How slot works

In Vue, slot is used to provide a slot for the child component in the parent component template, so that the child component can directly insert content into the template of the parent component. When using slots, you usually add the slot tag in the parent component template, and add named slots and default slots in the child component.

The default slot is a slot without a name, which can be used to insert some default content into subcomponents. Default slots are defined using the special placeholder .

Named slots are defined through the name attribute, and you can specify the named slot into which content is to be inserted in the parent component template. For example:

<h3 id="这是一个标题">这是一个标题</h3>

<p>这是一个底部</p>

This is some content

-card>

In this example, the parent component uses named slots to specify the position of the header and footer in the template, and also uses the default slot to specify the position of the p element.

2. Usage of slot

In Vue, slot also has some common usages, which can make our code more concise, flexible and powerful.

2.1 Exclusive default slot

Sometimes, we may want to let the child component occupy the default slot instead of distributing content to the parent component. In this case, we can use the v-slot:default directive to tell Vue to use the default slot as the template for the subcomponent. For example:

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