How To Install the Deno JavaScript Runtime on Ubuntu 20.04

May 12, 2026
Linux
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In this tutorial we will download and install Deno on Ubuntu 20.04, and run a `hello world` statement to test out our installation. Deno is a new JavaScript runtime being developed by the creator of Node.js, with a focus on security, developer experience, and compatibility with standard browser APIs. Deno uses the same V8 JavaScript engine as Node.js and the Chrome web browser, but ships with secure sandboxing, built-in TypeScript support, and a curated set of standard modules.

How To Manage State with Hooks on React Components

May 12, 2026
Javascript
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React Hooks are a broad set of tools in the React front-end JavaScript library that run custom functions when a component’s props change. Since this method of state management doesn’t require you to use classes, developers can use Hooks to write shorter, more readable code that is easy to share and maintain. Throughout this tutorial, you’ll learn how to set state using the useState and useReducer Hooks, using a product page component with a shopping cart as an example.

Cómo configurar un proyecto de React con Create React App

May 12, 2026
Javascript
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El autor seleccionó Creative Commons para recibir una donación como parte del programa Write for DOnations. React es un marco de trabajo de JavaScript popular para la creación de…

Тестирование модуля Node.js с использованием Mocha и Assert

May 12, 2026
Javascript
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Автор выбрал фонд Open Internet/Free Speech для получения пожертвования в рамках программы Write for DOnations. Тестирование является неотъемлемой частью разработки программного…

Comment utiliser EJS pour modéliser votre application de noeuds

May 12, 2026
Javascript
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Lors de la création rapide d’applications de nœuds en temps réel, il est parfois nécessaire de disposer d’un moyen simple et rapide de modéliser notre application. Jusqu’à présent, nous avons construit…

How To Use Functions in TypeScript

May 12, 2026
Javascript
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TypeScript fully supports the existing JavaScript syntax for functions, while also adding type information and function overloading as new features. Besides providing extra documentation to the function, type information will also decrease the chances of having bugs. In this tutorial, you will start by creating the most basic functions with type information, then move on to more complex scenarios, like using rest parameters and function overloading.

How to Use Vue.js and Axios to Display Data from an API

May 12, 2026
Javascript
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Vue.js is a front-end framework for building user interfaces. In this tutorial, you’ll create a Vue application that uses the Cryptocompare API to display the current prices of two leading cryptocurrencies: Bitcoin and Etherium.

How To Write Conditional Statements in JavaScript

May 12, 2026
Javascript
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In programming, there will be many occasions in which you will want different blocks of code to run depending on user input or other factors. As an example, you might want a form to submit if each field is filled out properly, but you might want to prevent that form from…