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Nalezeno "JavaScript": 798

Smooth Scrolling for Screencasts


Let's say you wanted to scroll a web page from top to bottom programmatically. For example, you're recording a screencast and want a nice full-page scroll. You probably can't scroll it yourself because it'll be all uneven and jerky. Native JavaScript can do smooth scrolling. Here's a tiny snippet...

Get Started with Node: An Introduction to APIs, HTTP and ES6+ JavaScript


Jamie Corkhill has written this wonderful post about Node and I think it’s perhaps one of the best technical articles I’ve ever read. Not only is it jam-packed with information for folks like me who aren't writing JavaScript everyday, it is also incredibly deliberate as Jamie slowly walks through...

Styling Based on Scroll Position


Rik Schennink documents a system for being able to write CSS selectors that style a page when it has scrolled to a certain point. If you're like me, you're already on the lookout for document.addEventListener('scroll' ... and being terrified about performance. Rik gets to that right away by both...

Level up your JavaScript error monitoring


(This is a sponsored post.) Automatically detect and diagnose JavaScript errors impacting your users with Bugsnag. Get comprehensive diagnostic reports, know immediately which errors are worth fixing, and debug in a fraction of the time. Bugsnag detects every single error and prioritizes errors...

Level up your JavaScript error monitoring


(This is a sponsored post.) Automatically detect and diagnose JavaScript errors impacting your users with Bugsnag. Get comprehensive diagnostic reports, know immediately which errors are worth fixing, and debug in a fraction of the time. Bugsnag detects every single error and prioritizes errors...

The Client/Server Rendering Spectrum


I've definitely been guilty of thinking about rendering on the web as a two-horse race. There is Server-Side Rendering (SSR, like this WordPress site is doing) and Client-Side Rendering (CSR, like a typical React app). Both are full of advantages and disadvantages. But, of course, the conversation...

The Bottleneck of the Web


Steve Souders, "JavaScript Dominates Browser CPU": Ten years ago the network was the main bottleneck. Today, the main bottleneck is JavaScript. The amount of JavaScript on pages is growing rapidly (nearly 5x in the last 7 years). In order to keep pages rendering and feeling fast, we need to focus...

Why I Write CSS in JavaScript


I'm never going to tell you that writing your CSS in CSS (or some syntactic preprocessor) is a bad idea. I think you can be perfectly productive and performant without any tooling at all. But, I also think writing CSS in JavaScript is a good idea for component-based styles in codebases that build...

Collective #497


Semantics to Screen Readers * JavaScript SEO * Absurd Illustrations * MakerAds * SpriteStack * Displacement Scroll Collective #497 was written by Pedro Botelho and published on Codrops

Understanding Memoization In JavaScript


As our applications grow and begin to carry out heavier computations, there comes an increasing need for speed ( ????️ ) and the optimization of processes becomes a necessity. When w

Should I Use Source Maps in Production?


It's a valid question. A "source map" is a special file that connects a minified/uglified version of an asset (CSS or JavaScript) to the original authored version. Say you've got a filed called _header.scss that gets imported into global.scss which is compiled to global.css. That final CSS file...

Why CSS Needs its Own Survey


2016 was only three years ago, but that’s almost a whole other era in web development terms. The JavaScript landscape was in turmoil, with up-and-comer React — as well as a little-known framework called Vue — fighting to dethrone Angular. Like many other developers, I felt lost. I needed some...

Integrating Google Analytics With Angular 2+


Requirements For this tutorial, knowledge of HTML, CSS and JavaScript as well as some familiarity with Angular 2 development is expected. An understanding of Google analytics would be bene

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