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This article mainly introduces vue how to achieve functional components, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

Functional component

Functional components, that is, stateless, cannot be instantiated, have no internal lifecycle processing methods, and are very lightweight, so they have high rendering performance, and are especially suitable for components that only rely on external data transfer to change.

It is written as follows:

1. Mark functional in the template tag

two。 Only accept props value

3. No script tag is required

Clicked hero: {{clicked}}

Import List from ". / List"; export default {name: "App", data: () = > ({clicked: ""}), components: {List}}; {{item}}

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