Jan 14, 2014 · export default is used to export a single class, function or primitive from a script file. The export can also be written as. this.string = string; return "" + this.string; This is used to import this function in another script file. Say in app.js, you can.

ES6 default exports are actually also named exports, except that default is a "reserved" name and there is special syntax support for it. Lets have a look how Babel compiles named and default exports: value: true. Here we can see that the default export becomes a property on the exports object, just like foo.

Mar 15, 2025 · Having exports with duplicate names or using more than one default export will result in a SyntaxError and prevent the module from being evaluated. The export default syntax allows any expression. As a special case, functions and classes are exported as declarations, not expressions, and these declarations can be anonymous.

Jan 10, 2025 · Default exports are used when you want to export a single primary object, function, or variable from a module. This type of export allows you to import the value using any name, providing flexibility and simplifying the import process for the module’s main content.

Jan 4, 2019 · You want to assign the value of module.exports to be your default function, and then put all the named exports as properties on that function. const defaultFunction = () => { console.log('default!');

Apr 25, 2022 · module.exports is an object in a Node.js file that holds the exported values and functions from that module. Declaring a module.exports object in a file specifies the values to be exported from that file.

This article explores the differences and use cases of module.exports and export default in Node.js and ES6, helping you choose the right approach for your JavaScript modules.

Feb 17, 2021 · Default exporting in a Node.js module is as simple as this: There's another way of exporting from a Node.js module called "named export". Instead of assigning the whole module.exports to a value, we would assign individual properties of the default module.exports object to values. Something like this: anExportedFunc, . anExportedString, };

Nov 21, 2023 · In summary, `module.exports` is associated with CommonJS modules used in Node.js, while `export default` is associated with ES6 modules used in modern JavaScript environments, including...

Sep 2, 2023 · Understanding the difference between module.exports and export default is crucial when working with Node.js and ES6. Remember to be careful when importing default exports and ensure you are using the correct syntax.