How to Export Variables in JavaScript?

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In JavaScript, you can export variables from a module using the export keyword. This allows you to make your variables available for use in other modules.

Here’s an example of how to export a variable:

// myModule.js
export const myVariable = "Hello, world!";

In this example, we’re exporting a variable called myVariable with the value "Hello, world!". This variable can now be imported and used in other modules.

Here’s how you can import the exported variable:

// anotherModule.js
import { myVariable } from './myModule.js';

console.log(myVariable); // "Hello, world!"

In this example, we’re importing the myVariable variable from the myModule.js module. We use the destructuring syntax to import only the variable we need.

Note that the export keyword only works within modules. To use export and import, your JavaScript code needs to be run in an environment that supports modules, such as a modern browser or a Node.js environment with ECMAScript modules enabled.

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