CategoryJavaScript

March 11, 2021 — All of us use web scraping in our everyday lives. It merely describes the process of extracting information from a website. For a lot of web scraping tasks, an HTTP client is enough to extract a page’s data. However, when it comes to dynamic websites, a headless browser sometimes becomes indispensable. In this tutorial, Andreas Altheimer will build a web scraper that can scrape dynamic websites based on Node.js and Puppeteer. Read more…

March 3, 2021 — In this article, we’ll look at how to create an outside focus and click handler with React. You’ll learn how to recreate an open-source React component (react-foco) from scratch in doing so. To get the most out of this article, you’ll need a basic understanding of JavaScript classes, DOM event delegation and React. By the end of the article, you’ll know how you can use JavaScript class instance properties and event delegation to create a React component that helps you detect a click or focus outside of any React component. Read more…

February 25, 2021 — An introduction to building a Discord bot using the Discord.js module. The bot will share random jokes, assign or revoke user roles, and post tweets of a specific account to a Discord channel. In this article, Subha Chanda will showu you how to build a bot from scratch using JavaScript and with help from Discord.js. He’ll cover the process from building the bot up to deploying it to the cloud. Read more…

February 11, 2021 — Headless CMS is a powerful and easy way to manage content and access API. Built on React, Sanity.io is a seamless tool for flexible content management. It can be used to build simple to complex applications from the ground up. In this article, Ifeanyi Dike explains how to build a simple listing app with Sanity.io and React. The global states will be managed with Redux and the application will be styled with styled-components. Read more…

January 29, 2021 — In this article, we look at some of the more advanced features of TypeScript, like union types, conditional types, template literal types, and generics. We want to formalize the most dynamic JavaScript behavior in a way that we can catch most bugs before they happen. We apply several learnings from all chapters of TypeScript in 50 Lessons, a book we’ve published here on Smashing Magazine late 2020. If you are interested in learning more, be sure to check it out! Read more…

January 19, 2021 — why do we need blockchain? Blockchain is a safe way to record activities and keep data fresh while maintaining a record of its history compared to the traditional records or databases where hacks, errors, and downtimes are very possible. In this article, John Agbanusi explains how you can build a Node.js API from scratch by building and deploying an Ethereum Blockchain for decentralization. He also shows you a step-by-step process of integrating both the API and blockchain into a single API called a “decentralized application API”. Read more…

January 18, 2021 — In this tutorial, Fortune Ikechi is going to show you how to use Grommet as a UI library for React applications. He’ll use Grommet as a UI library of choice to create a pricing component, this would help you have a better understanding of how to use Grommet. This tutorial will be beneficial to readers who are interested in developing responsive components in their React application using Grommet. This article requires a basic understanding of React and Styled-components. Read more…

January 14, 2021 — When it comes to building a conversational chat assistant that could be used at a small or enterprise level, Dialogflow would most likely be one of the first options that would show up in your search list — and why wouldn’t it? It offers several features such as the ability to process audio and text inputs, provide dynamic responses using custom webhooks, connect to millions of Google-enabled devices by using the Google assistant, and so much more. But apart from its console that is provided to design and manage an Agent, how can we create a chat assistant that can be used within our built web applications, too? Read more…

January 12, 2021 — Let’s make 2021… fast! An annual front-end performance checklist, with everything you need to know to create fast experiences on the web today, from metrics to tooling and CSS/JavaScript techniques. Read more…

January 8, 2021 — GetX is an extra lightweight solution for state, navigation, and dependencies management for Flutter applications. Flutter is one of the fastest ways to build truly cross-platform native applications. It provides features allowing the developer to build a truly beautiful UI experience for their users, and in this article, Kelvin Omereshone will be looking at GetX’s benefits, features, and how to start using it in Flutter applications. Read more…