How to introduce js files in vue

There are four ways to introduce JS files in Vue: use the import statement, use the require function, use CDN, use Webpack

How to Introducing JS files into Vue

There are several ways to introduce JS files into the Vue project:

1. Use the import statement

This is the most commonly used method and can be used in Vue components or JavaScript files.

import { myFunction } from './my-file.js';

Where:

• myFunction is the function or object exposed in the file to be imported.
• ./my-file.js is the path of the file to be imported.

2. Use the require function

require The function can also be used to introduce JS files, but it Can only be used in JavaScript files.

const myFunction = require('./my-file.js');

3. Use CDN

If the JS file to be imported comes from an external CDN, you can use the following syntax:

<script src="https://cdnjs.cloudflare.com/ajax/libs/my-library/1.0.0/my-file.js"></script>

4. Using Webpack

Webpack is a module packager that can automatically parse and package JS files. If you use Webpack in your project, you can include JS files in the build process by following the instructions in its documentation.

Which method to choose

Which method to choose depends on the specific situation:

• If the file to be imported is local, it is recommended to use import statement.
• If the files to be imported come from an external CDN, it is recommended to use a CDN.
• If Webpack is used in the project, it is recommended to use Webpack.

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