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How to Get and Set CSS Variable Values with JavaScript


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


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...

Did you know that style and script tags can be set to display: block?


The other night, Amit Patel mentioned that you can set script tags in HTML to display: block with CSS and then edit that code inline with the contentEditable attribute. This means that you can then see it all update live in the browser as you type. Shortly after, Marius Gundersen replied that...

O2TV má nový set-top-box, nejlepší funkce si nechává na později


Službu O2TV můžete ode dneška sledovat prostřednictvím nového set-top-boxu. Některá vylepšení lze začít využívat hned, na jiné se ještě budeme chvíli těšit.Další články k tématu:Televizní program je přežitek. Nové rozhraní O2TV má změnit návykyRozuzlení: Platit je třeba za každý televizor. Výjimku...

8 Digit Hex Colors


One of the most requested capabilities in my early days of web development was the ability to set opacity on elements and even PNG images without the need for browser-specific CSS or hacks.  Eventually we got native opacity support and even enjoyed rgba(), the ability to cite an opacity level with...

Hyperlinking Beyond the Web


Hyperlinks are the oldest and the most popular feature of the web. The word hypertext (which is the ht in http/s) means text having hyperlinks. The ability to link to other people’s hypertext made the web, a web — a set of connected pages. This fundamental feature has made the web a very...

Random Day in the Life of a Developer


Yesterday, I started going through my email as soon as I got to work. I always start my day with email. I kinda like email. I read some interesting things in keeping up with the industry. I deal with some business things. I handle with some personal things. I make a note of the most important stuff...

Fitting Text to a Container


There are a number of ways to go about putting some text in a container and having it size itself to fill that container. There are different technologies we can use and different considerations to think about. Let us count the ways. Magic Number it with viewport units If you set type with...

Resilient, Declarative, Contextual


Keith J. Grant: I want to look at three key characteristics of CSS that set it apart from conventional programming languages: it’s resilient; it’s declarative; and it’s contextual. Understanding these aspects of the language, I think, is key to becoming proficient in CSS. Like HTML, unknown...

Users DO Change Font Size


Evan Minto: The question was “How many users browse the main Internet Archive site with a default font size other than the common value of 16 pixels?” By knowing this, we would determine how many users would be affected by sizing with relative units like rems/ems. Using the methodology I describe...

[aktualita] Veeam v Praze rozšiřuje vývoj, prostory má až pro pět set lidí


Veeam Software podle očekávánírozšiřuje své vývojové centrum v Praze. Pojmul to ve velkém a otevírá nové prostory v Holešovicích o rozloze tří tisíc metrů čtverečních, hned vedle Mall.cz. Ty společně s kanceláří s Karlíně pojmou až 500 lidí. TIP: Martin Štětka (Veeam): Vývoj v Česku výrazně...

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