Vue.js is a popular JavaScript framework for building web applications. It comes with a powerful feature called slots, which allows the creation of reusable components that can be customized in different ways. In this tutorial, we’ll explore how to use Vue slots effectively.
## What Are Slots?
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Slots are a way to create customizable components in Vue.js. They allow you to define placeholders in your component’s template that can be filled with content from the parent component. This makes it easy to reuse components in different contexts without having to recreate them each time.
## Using Slots
To use slots, you first need to define them in your component’s template using the “ element:
“`
“`
In this example, we’ve defined two slots – one with the name “title” and another without a name. The first slot will display any content passed to it with the `v-slot:title` directive:
“`
My Custom Title
Some content here.
“`
The second slot will display any other content passed to it:
“`
Some content here.
“`
You can also use shorthand syntax for defining slots:
“`
Default Title
Default Content
Custom Title
Custom Content
{{ text }}
“`
In this example, we’ve defined two slots with default fallback content. The first slot has a default title of “Default Title”, but can be overridden with the `slot=”title”` syntax. The second slot has a default content of “Default Content”.
## Scoped Slots
Scoped slots are a more advanced feature of Vue.js that allow you to pass data from the child component to the parent component. They are useful when you want to customize the rendering of a component based on its data.
To define a scoped slot, you can use the `v-slot` directive with an argument:
“`
{{ item.text }}
{{ item.text.toUpperCase() }}
“`
In this example, we’re using `v-for` to loop over an array of items and pass each one as a prop to a scoped slot named “item”. In the parent component, we’re using the `v-slot:item` directive to access the prop and render it in uppercase.
## Conclusion
Vue slots are a powerful feature that allow you to create reusable and customizable components in your web applications. Whether you’re new to Vue.js or an experienced developer, mastering slots will help you build better and more efficient applications.
