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Nalezeno "Javascript": 834

Types or Tests: Why Not Both?


Every now and then, a debate flares up about the value of typed JavaScript. "Just write more tests!" yell some opponents. "Replace unit tests with types!" scream others. Both are right in some ways, and wrong in others. Twitter affords little room for nuance. But in the space of this article we...

The Many Ways to Include CSS in JavaScript Applications


Welcome to an incredibly controversial topic in the land of front-end development! I’m sure that a majority of you reading this have encountered your fair share of #hotdrama surrounding how CSS should be handled within a JavaScript application. I want to preface this post with a disclaimer: There...

React Starter: How does JSX make HTML elements?


JSX makes making React components easier. Some may find JSX to have a high learning curve and that's totally understandable. It's not exactly HTML and it's not exactly JavaScript, so it can take so

Exploring Sets and Maps in JavaScript


Let’s take a look into two new constructs that were introduced in the JavaScript ES6 specification: Set - The Set object allows you to store unique values of any type

Set Video Playback Speed with JavaScript


I love that media has moved from custom plugins (Flash…gross) to basic HTML <video> and <audio> elements. Treating these media sources as just another element allows us to use CSS filters to adjust display, for example. The less we need to do with ffmpeg or plugins, the better. I’ve been...

Getting to Know the useReducer React Hook


useReducer is one of a handful of React hooks that shipped in React 16.7.0. It accepts a reducer function with the application initial state, returns the current application state, then dispatches a function. Here is an example of how it is used; const [state, dispatch] = useReducer(reducer...

Getting to Know the useReducer React Hook


useReducer is one of a handful of React hooks that shipped in React 16.7.0. It accepts a reducer function with the application initial state, returns the current application state, then dispatches a function. Here is an example of how it is used; const [state, dispatch] = useReducer(reducer...

Meet the Developer Who Added Schnorr Signatures to Bcash


This week news.Bitcoin.com spoke with Jonathan Gonzalez, the blockchain developer who is currently maintaining the Bcash project, a Bitcoin Cash full node written in node.js. Gonzalez explained how he got into Bitcoin Cash development and how he managed to get the Bcash node fully compatible with...

Components, yo.


I see VuePress just went 1.0. Explained simply, it's a static site generator based on Vue. But of course, you work in Vue, which means you work in components. All the modern JavaScript frameworks are component-based. Even when they disagree with each other about specific things (like how Svelte...

Collective #524


The Layout Instability API * Write HTML Like It's 1999 * JavaScript questions * Pika CDN * The Economics of Open Source Collective #524 was written by Pedro Botelho and published on Codrops

Everything You Need to Know About Date in JavaScript


Date is weird in JavaScript. It gets on our nerves so much that we reach for libraries (like Date-fns and Moment) the moment (ha!) we need to work with date and time. But we don't always need to use libraries. Date can actually be quite simple if you know what to watch out for. In this article...

How to Detect Text in Images


Images are a great way to communicate without text but oftentimes images are used/abused to spread text within social media and advertisements. Text in images also presents an accessibility issue. The truth is that it’s important, for any number of reasons, to be able to detect text in image...

Level up your .sort game


Sorting is a super handy JavaScript method that can display the values of an array in a certain order. Whether that’s real estate listings by price, burger joints by distance, or best nearby happy hours by rating, sorting arrays of information is a common need. If you’re already doing this with...

Collective #522


Extract critical CSS * Enabling Modern JavaScript on npm * Magical, Mystical JavaScript Transducers Collective #522 was written by Pedro Botelho and published on Codrops

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