JavaScript

Understanding Modules and Import and Export Statements in JavaScript — step-by-step Javascript tutorial on Progressive Robot

Understanding Modules and Import and Export Statements in JavaScript

As the importance of JavaScript in web development grows, there is a bigger need to use third-party code for common tasks, to break up code into modular files, and to avoid polluting the global namespace. To account for this, ECMAScript 2015 (ES6) introduced modules to the JavaScript language, which allowed for the use of import and export statements. In this tutorial, you will learn what a JavaScript module is and how to use import and export to organize your code.

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Использование буферов в Node.js — step-by-step Javascript tutorial on Progressive Robot

Использование буферов в Node.js

Автор выбрал COVID-19 Relief Fund для получения пожертвования в рамках программы Write for DOnations. Буфер — пространство в памяти (как правило, оперативной), в котором…

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Использование .map() для итерации элементов массива в JavaScript — step-by-step Javascript tutorial on Progressive Robot

Использование .map() для итерации элементов массива в JavaScript

Метод `.map()` — один из самых популярных методов итерации массивов данных в JavaScript. Метод `.map()` создает массив, вызывая определенную функцию для каждого элемента родительского массива. Метод `.map()` не использует мутацию и создает новый массив вместо того, чтобы изменять исходный. В этом учебном модуле мы рассмотрим четыре полезных способа использования метода `.map()` в JavaScript: вызов функции для элементов массива, конвертацию строк в массивы, рендеринг списков в библиотеках и переф

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How To Automate Your Node.js Production Deployments with Shipit on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Automate Your Node.js Production Deployments with Shipit on CentOS 7

Shipit is a universal automation and deployment tool for Node.js developers. It features a task flow based on the popular Orchestrator package, login and interactive SSH commands through OpenSSH, and an extensible API. Developers can use Shipit to automate build and deployment workflows for a wide range of Node.js applications. In this tutorial you will install and configure Shipit to deploy a basic Node.js application from your local development environment to your product environment.

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How To Build a File Handling App in GraphQL and Vue — step-by-step Javascript tutorial on Progressive Robot

How To Build a File Handling App in GraphQL and Vue

In this tutorial, we’ll go over how to handle file uploads in GraphQL by building a full-stack app. This tutorial will be divided into two main sections: building the GraphQL API, and creating the frontend app. The GraphQL API will be built using Apollo Server and the frontend app will be built with Vue.js and Vue Apollo.

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How To Call Web APIs with the useEffect Hook in React — step-by-step Javascript tutorial on Progressive Robot

How To Call Web APIs with the useEffect Hook in React

In this tutorial, you’ll use the useEffect and useState React Hooks to fetch and display information in a sample application, using JSON server as a local API for testing purposes. You’ll load information when a component first mounts and save customer inputs with an API. You’ll also refresh data when a user makes a change and learn how to ignore API requests when a component unmounts.

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