The difference between export and export default in vue

There are two ways to export modules in Vue.js: export and export default. export is used to export named entities and requires the use of curly braces; export default is used to export default entities and does not require curly braces. When importing, entities exported by export need to use their names, while entities exported by export default can be used implicitly. It is recommended to use export default for modules that need to be imported multiple times, and use export for modules that are only exported once.

The difference between export and export default in Vue.js

In Vue.js, export and export default is used to export modules such as components, directives, mixins, etc., but they differ in syntax and usage.

export

export is used to export single or multiple named entities, and the entities need to be enclosed in curly braces. For example:

<code class="js">// 导出名为 MyComponent 的组件
export const MyComponent = {
  // 组件配置
};

// 同时导出多个实体
export { MyComponent, MyDirective };</code>

Entities exported using export must be imported by their name. For example:

<code class="js">import { MyComponent } from './my-component.vue';</code>

export default

export default is used to export a single default entity without the need for curly braces. For example:

<code class="js">// 将 MyComponent 作为默认导出
export default MyComponent;</code>

Entities exported using export default can be imported by implicit name without specifying a name. For example:

<code class="js">import Component from './my-component.vue';</code>

Summary of differences:

• ##export To export named entities, you need to use curly braces.
• export default Export default entities, no curly braces required.
Entities imported from
• export must use their names.
Entities imported with
• export default can be used implicitly.

Best practice:

Generally speaking, for modules that need to be imported multiple times, it is recommended to use

export default, because It's more concise and easier to understand. For modules that are only exported once and whose names do not need to be imported, export can be used.

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