When should I use export vs export default?

Named exports are useful to export several values. During the import, one will be able to use the same name to refer to the corresponding value. A default export can be a function, a class, an object or anything else. This value is to be considered as the “main” exported value since it will be the simplest to import.

What is difference between named export and default export?

In summary, named exports are used to export multiple values. Default exports are used to export a single value from the file. During the import, the name of the value can be different from the exported one.

When should you export default?

export default is used to export a single class, function or primitive. export default function() { } can be used when the function has no name.

Should I use module exports or exports?

Key difference between module.exports and exports: When we want to export a single class/variable/function from one module to another module, we use the module. exports way. When we want to export multiple variables/functions from one module to another, we use exports way.

What is named export?

Named exports: One or more exports per module. When there are more than one exports in a module, each named export must be restructured while importing. Since there could be either export in the same module and the compiler will not know which one is required unless we mention it.

Is using named and default exports together?

Using Named and Default Exports at the same time: It is possible to use Named and Default exports in the same file. It means both will be imported in the same file.

What is ES6?

ES6 refers to version 6 of the ECMA Script programming language. It is a major enhancement to the JavaScript language, and adds many more features intended to make large-scale software development easier. ECMAScript, or ES6, was published in June 2015. It was subsequently renamed to ECMAScript 2015.

Why do we use export default in react?

It is used to export the object(variable, function, calss) with the same name. It is used to export multiple objects from one file. It cannot be renamed when importing in another file, it must have the same name that was used to export it, but we can create its alias by using as operator.

What can you export with module exports?

Module exports are the instructions that tell Node. js which bits of code (functions, objects, strings, etc.) to export from a given file so that other files are allowed to access the exported code.

What are named exports?

What are Named Exports? Named exports allow us to share multiple objects, functions or variables from a single file and were introduced with the release of ES2015. Named exports are imported with curly braces in various files and must be imported using the name of the object, function or variable that was exported.

What is the use of ES6?

JavaScript ES6 brings new syntax and new awesome features to make your code more modern and more readable. It allows you to write less code and do more. ES6 introduces us to many great features like arrow functions, template strings, class destruction, Modules… and more.

What is the difference between ES6 and JavaScript?

Basically there is no difference between JavaScript and ES6(ECMA Script 6). ECMA Script is the official name of JavaScript. ES 6 is the version of JavaScript 2015. For making JS popular ECMA Script was named to JavaScript because of popularity of JAVA.

What is default export in ES6?

ES6 default exports are actually also named exports, except that default is a “reserved” name and there is special syntax support for it.

What is the difference between a default export and a named export?

Named exports are useful to export several values. During the import, one will be able to use the same name to refer to the corresponding value. Concerning the default export, there is only a single default export per module. A default export can be a function, a class, an object or anything else.

How many default exports can be created from one module?

Concerning the default export, there is only a single default export per module. A default export can be a function, a class, an object or anything else. This value is to be considered as the “main” exported value since it will be the simplest to import. Note :- There can be only one export default in one file.

How to use stateless components in react with ES6?

ES6 provides us to import a module and use it in other files. Strictly speaking in React terms, one can use stateless components in other components by exporting the components from their respective modules and using it in other files. ES6 provides two ways to export a module from a file: named export and default export.