- Type and validation of props:defineProps can be used to define the types and validation of props. In Vue 3 we can provide types for validation, for example String, Number, Boolean, Array, Object ...
In the example above, the id prop is of type Number and mandatory, and the user prop is of type Object and has a default value.
default value allows you to define predefined values for props in Vue 3. If no props are sent to the component, Vue uses the default value. This is more convenient because it makes the component easier to use and safer.
In the next article we will talk about emission in Vue3.
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Vue.js gives Props concepts
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Hello ! Props are one of the most needed parts of Vue.js, they allow exchanging information between components. Using props is done inside the setup function. Below we can see in detail how props work with
- Defining Props: The defineProps function is used to define props in Vue.js. The defineProps object is used to define the types and properties of props.
{{ title }}
{{ message }}
Here the props object defines the title and message props. title prop type is String and mandatory (required: true), and message has String type and default value (Default message).
- Using Props: The props defined by the defineProps function can be used directly in the or in the
{{ title }}
{{ message }}
- Type and validation of props: defineProps can be used to define the types and validation of props. In Vue 3 we can provide types for validation, for example String, Number, Boolean, Array, Object ...
In the example above, the id prop is of type Number and mandatory, and the user prop is of type Object and has a default value.
default value allows you to define predefined values for props in Vue 3. If no props are sent to the component, Vue uses the default value. This is more convenient because it makes the component easier to use and safer.
In the next article we will talk about emission in Vue3.
You can follow us on the networks and if the article is useful, please share it with your friends. ?
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