Export default usage in vue

The export default usage in Vue.js is used to export a component, module or value as the default export. The benefits include simplicity and convenience, single export and cross-component sharing. To use it, you can write export default { // component or value code } in the export file, and import {name of export} from ‘./exported file path’ in the import file.

Export default usage in Vue.js

In Vue.js, export default Syntax is used to export a component, module or value as the default export. This export differs from named exports in that there can be only one default export and no export name needs to be specified.

Usage

To use export default in Vue.js, you can follow the following syntax:

<code class="javascript">export default {
  // 组件、模块或值的代码
};</code>

For example:

<code class="javascript">export default {
  name: 'MyComponent',
  template: '<p>This is my component.</p>'
};</code>

Benefits

Using export default has several benefits:

• Simple and convenient:Use only one export default statement, no export name needs to be specified.
• Single export: There can only be one export by default to avoid naming conflicts.
• Sharing across components: Default exports can be easily shared across components since there is no need to remember export names.

Import

Exported components, modules, or values ​​using export default can be imported using the following syntax:

<code class="javascript">import MyComponent from './MyComponent.vue';</code>

MyComponent.vue is the file path of the exported component.

Example

Let’s look at an example of a component exported using export default:

MyComponent.vue

<code class="javascript"><template>
  <p>This is my component.</p>
</template>

<script>
export default {
  name: 'MyComponent'
};
</script></code>

App.vue

<code class="javascript"><template>
  <MyComponent />
</template>

<script>
import MyComponent from './MyComponent.vue';
</script></code>

In this example, MyComponent.vue is exported using export default A component named MyComponent is created. In App.vue, this component is imported and rendered.

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