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You're reading from  Clean Code in JavaScript

Product typeBook
Published inJan 2020
Reading LevelIntermediate
PublisherPackt
ISBN-139781789957648
Edition1st Edition
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James Padolsey
James Padolsey
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James Padolsey

James Padolsey is a passionate JavaScript and UI engineer with over 12 years' experience. James began his journey into JavaScript as a teenager, teaching himself how to build websites for school and small freelance projects. In the early years, he was a prolific blogger, sharing his unique solutions to common problems in the domains of jQuery, JavaScript, and the DOM. He later contributed to the jQuery library itself and authored a chapter within the jQuery Cookbook published by O'Reilly Media. Over subsequent years, James has been exposed to many unique software projects in his employment at Stripe, Twitter, and Facebook, informing his philosophy on what clean coding truly means in the ever-changing ecosystem of JavaScript.
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JavaScript modules

In JavaScript, the word module has changed over the years. A module used to be any piece of code that was distinct and self-contained. A few years ago, you might have expressed several modules within the same file like so:

// main.js

// The Dropdown Module
var dropdown = /* ... definition ... */;

// The Data Fetcher Module
var dataFetcher = /* ... definition ...*/;

Nowadays, however, the word module tends to refer to Modules (capital M) as prescribed by the ECMAScript specification. These Modules are distinct files imported and exported across a code base via import and export statements. Using such Modules, we might have a DropdownComponent.js file that looks like this:

// DropdownComponent.js
class DropdownComponent {}
export default DropdownComponent;

As you can see, it uses the export statement to export its class. If we wish to use this class as a dependency...

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Clean Code in JavaScript
Published in: Jan 2020Publisher: PacktISBN-13: 9781789957648

Author (1)

author image
James Padolsey

James Padolsey is a passionate JavaScript and UI engineer with over 12 years' experience. James began his journey into JavaScript as a teenager, teaching himself how to build websites for school and small freelance projects. In the early years, he was a prolific blogger, sharing his unique solutions to common problems in the domains of jQuery, JavaScript, and the DOM. He later contributed to the jQuery library itself and authored a chapter within the jQuery Cookbook published by O'Reilly Media. Over subsequent years, James has been exposed to many unique software projects in his employment at Stripe, Twitter, and Facebook, informing his philosophy on what clean coding truly means in the ever-changing ecosystem of JavaScript.
Read more about James Padolsey