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This page assumes you've already read the Components Basics. Read that first if you are new to components. Slot Content and Outlet We have learned that components can accept props, which can be JavaScript values of any type. But how about template content? In some cases, we may want to pass a template fragment to a child component, and let the child component render the fragment within its own template. For example, we may have a component that supports usage like this: template < FancyButton > Click me! The template of looks like this: template < button class = "fancy-btn" > < slot > The element is a slot outlet that indicates where the parent-provided slot content should be rendered. And the final rendered DOM: html < button class = "fancy-btn" >Click me! With slots, the is responsible for rendering the outer ` } Slot content is not just limited to text. It can be any valid template content. For example, we can pass in multiple elements, or even other components: template < FancyButton > < span style = "color:red" >Click me! < AwesomeIcon name = "plus" /> By using slots, our is more flexible and reusable. We can now use it in different places with different inner content, but all with the same fancy styling. Vue components' slot mechanism is inspired by the native Web Component element, but with additional capabilities that we will see later. Render Scope Slot content has access to the data scope of the parent component, because it is defined in the parent. For example: template < span >{{ message }} < FancyButton >{{ message }} Here both {{ message }} interpolations will render the same content. Slot content does not have access to the child component's data. Expressions in Vue templates can only access the scope it is defined in, consistent with JavaScript's lexical scoping. In other words: Expressions in the parent template only have access to the parent scope; expressions in the child template only have access to the child scope. Fallback Content There are cases when it's useful to specify fallback (i.e. default) content for a slot, to be rendered only when no content is provided. For example, in a component: template < button type = "submit" > < slot > We might want the text "Submit" to be rendered inside the