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Nalezeno "JavaScript": 803

Object.fromEntries

9.11.2018
The Object object has been buffed with useful methods over the past few years.  Object.keys, Object.values, Object.freeze, and Object.assign all address frequently desired functionality.  One of the new Object methods is fromEntries, which accepts a Map or map-like array nesting and converts it...

How to Get and Set CSS Variable Values with JavaScript

8.10.2018
CSS variables are a very welcome addition to the language, despite them being incredibly basic.  Sure we could use SASS or stylus but languages should never count on developers relying on frameworks and toolkits to accomplish what we know we need.  And just like every other part of a webpage,...

Solved with CSS! Logical Styling Based on the Number of Given Elements

26.7.2018
This post is the third in a series about the power of CSS. Article Series: Colorizing SVG Backgrounds Dropdown Menus Logical Styling Based On the Number of Given Elements (this post) Did you know that CSS is Turing complete? Did you know that you can use it to do some pretty serious logical...

Build a state management system with vanilla JavaScript

25.7.2018
Managing state is not a new thing in software, but it’s still relatively new for building software in JavaScript. Traditionally, we’d keep state within the DOM itself or even assign it to a global object in the window. Now though, we’re spoiled with choices for libraries and frameworks to help...

Finite State Machines with React

24.7.2018
As JavaScript applications on the web have grown more complex, so too has the complexity of dealing with state in those applications — state being the aggregate of all the data that an application needs to perform its function. Over the last several years, there has been a ton of great...

View Source

23.7.2018
I remember seeing this Tom Dale tweet a while back. It's literally about the browser's ability to look at the HTML of the document you're looking at as it first arrived. Now the tweet is stirring up a new round of conversation. Jonathan Snook has kind of a baby bear take: We have the ability...

Script & Style Show: Episode 16: JavaScript & LEDs with Kristina Durivage

23.7.2018
In this episode:  Todd’s back from an amazing conference and David sees this week’s guest as being the ticket to making his kids thing he’s a super hero.  The amazing Kristina Durivage stops by to talk JavaScript, electrical engineering and unusual uses of LEDs for programming...

CSS: A New Kind of JavaScript

19.7.2018
In this wacky and satirical post, Heydon Pickering describes a wild new technology called Cascading Style Sheets that solves a lot of the problems you might bump into when styling things with JavaScript: A good sign that a technology is not fit for purpose is how much we have to rely on workarounds...

How to make a modern dashboard with NVD3.js

19.7.2018
NVD3.js is a JavaScript visualization library that is free to use and open source. It’s derived from the well-known d3.js visualization library. When used the right way, this library can be extremely powerful for everyday tasks and even business operations. For example, an online dashboard. We...

Collective #433

16.7.2018
Guppy * CSS: A New Kind Of JavaScript * Font Playground * ramd.js * Track * did.txt file * Seedbank * V8N * Stitches Collective #433 was written by Pedro Botelho and published on Codrops

Why 'This' in JavaScript

14.7.2018
While JavaScript is a fun and powerful language, it can be tricky and requires a proper understanding of its underlying principles to mitigate common errors. In this post, we shall be introd

Anatomy of a malicious script: how a website can take over your browser

13.7.2018
By now, we all know that the major tech behemoths like Facebook or Google know everything about our lives, including how often we go to the bathroom (hence all the prostate medication ads that keep popping up, even on reputable news sites). After all, we’ve given them permission to do so,...

Unused

11.7.2018
I recently wrote Here’s the thing about "unused CSS" tools, where I tried to enumerate all the challenges any tool would have in finding truly "unused" CSS. The overarching idea is that CSS selectors match elements in the DOM, and those elements in the DOM come from all sorts of places: your static...

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