What are dynamic components? Learn more about dynamic components in Vue

What is a dynamic component? This article will give you a detailed understanding of the dynamic components in Vue essential knowledge for getting started, and introduce how to implement dynamic component rendering and keep-alive components. I hope it will be helpful to everyone!

1. What is a dynamic component

Dynamic component refers todynamic switching component Show and hide. (Learning video sharing: vue video tutorial)

2. How to implement dynamic component rendering

vue provides a The built-in <component></component> component is specially used to implement the rendering of dynamic components. The sample code is as follows:

3. Use keep-alive to maintain state

By default, when switching dynamic components Unable to maintain the state of the component. At this time, you can use vue's built-in <keep-alive></keep-alive> component to maintain the state of the dynamic component. The sample code is as follows:

4. The life cycle function corresponding to keep-alive

• When the component is cached, the component's deactivated life cycle function will be automatically triggered.

• When the component is activated, the activated life cycle of the component will be automatically triggered function.

The sample code is as follows:

Warm reminder:

• keep -alive will cache internal components instead of destroying components;
• When using keep-alive, you can specify which components need to be used by include be cached; or, specify which components do not need to be cached through the exclude attribute; however: do not use the include and exclude attributes at the same time;

5. The include attribute of keep-alive

include attribute is used to specify: only components with matching names will is cached. Use English commas to separate multiple component names:

The sample code is as follows:

(Learning video sharing : Web front-end development, Basic programming video)

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