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Nalezeno "Javascript": 834

A Snippet to See all SVGs in a Sprite

8.10.2019
I think of an SVG sprite as this: <svg display="none"> <symbol id="icon-one"> ... <symbol> <symbol id="icon-two"> ... <symbol> <symbol id="icon-three"> ... <symbol> </svg> I was long a fan of that approach for icon systems...

How to Detect an Ad Blocker

8.10.2019
One of the unspoken rules of the internet is that most content is “free”… at the cost of webpage being littered with advertisements and trackers. This was’t a big problem in the early internet days but trackers and advertisements have become so intrusive and unapologetically...

Awards That Look Beyond the Flashy

3.10.2019
Dan Mall is judging the Communication Arts Interactive 2020 awards. These types of things are usually a celebration of flashy, short-lived, one-off designs. Those things are awesome, but Dan has more in mind: I’d love to award work that demonstrates creative use of the highest level of color...

designMode

1.10.2019
Every once in a while I stumble upon an API or browser setting that I can’t believe ever existed. Such examples can be seen in the numerous String.prototype properties such as bold, italics, and even blink, which wrap given string text in their representative HTML tags. Bizarre. It...

Get Geographic Information from an IP Address for Free

24.9.2019
Say you need to know what country someone visiting your website is from, because you have an internationalized site and display different things based on that country. You could ask the user. You might want to have that functionality anyway to make sure your visitors have control, but surely they...

Collective #548

12.9.2019
Metronomes in JavaScript * VeoLuz * Logical Operations with CSS Variables * Can I Email * Simplicity (II) Collective #548 was written by Pedro Botelho and published on Codrops

“Off The Main Thread”

10.9.2019
JavaScript is what they call "single-threaded." As Brian Barbour puts it: This means it has one call stack and one memory heap. We all feel a symptom of that regularly in the form of performance jank and non-interactivity on elements or entire sites. If we give JavaScript lots of jobs and it gets...

How to Not Minify Source with webpack

10.9.2019
The webpack JavaScript utility has taken over the modern JavaScript landscape, so much so that it’s hard to be a JavaScript developer and not use it. JavaScript build utilities are the point where they do best practices implicitly, like minify code, caching, and more. I was recently debugging...

Stop Installing Packages Globally

9.9.2019
These days, most front-end projects are going to involve NPM packages of some kind. Occasionally, when browsing documentation for these packages, I’ll see a recommendation to install a package like this. yarn global add <package> Or like this. npm install --global <package> In both...

Model-Based Testing in React with State Machines

4.9.2019
Testing applications is crucially important to ensuring that the code is error-free and the logic requirements are met. However, writing tests manually is tedious and prone to human bias and error. Furthermore, maintenance can be a nightmare, especially when features are added or business logic...

Collective #545

2.9.2019
PWA Asset Generator * Leon Sans * Introduction to JavaScript Promises * The Enigma Machine Collective #545 was written by Pedro Botelho and published on Codrops

Should a website work without JavaScript?

2.9.2019
The JS Party podcast just had a fun episode where they debated this classic question by splitting into two groups of two. Each group was assigned a "side" of this debate, and then let loose to debate it. I don't think anybody can listen to a show like this and not be totally flooded with thoughts!...

Working with Attributes on DOM Elements

30.8.2019
The DOM is just a little weird about some things, and the way you deal with attributes is no exception. There are a number of ways to deal with the attributes on elements. By attributes, I mean things like the id in <div id="cool"></div>. Sometimes you need to set them. Sometimes...

Reverse Lookups with JavaScript

28.8.2019
I’ve always loved exploring regular expressions because they’re one of those skills that’s never taught in school — you need to pick them up on the fly, messing up and fixing them along the way. Regex’s are incredibly powerful, and one power they have are referred...

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