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7 rows where author = "Jeremy Keith" sorted by published
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| Link | rowid | title | contents | year | author | author_slug | published ▼ | url | topic |
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| 169 | 169 | Incite A Riot | Given its relatively limited scope, HTML can be remarkably expressive. With a bit of lateral thinking, we can mark up content such as tag clouds and progress meters, even when we don’t have explicit HTML elements for those patterns. Suppose we want to mark up a short conversation: Alice: I think Eve is watching. Bob: This isn’t a cryptography tutorial …we’re in the wrong example! A note in the the HTML 4.01 spec says it’s okay to use a definition list: Another application of DL, for example, is for marking up dialogues, with each DT naming a speaker, and each DD containing his or her words. That would give us: <dl> <dt>Alice</dt>: <dd>I think Eve is watching.</dd> <dt>Bob</dt>: <dd>This isn't a cryptography tutorial ...we're in the wrong example!</dd> </dl> This usage of a definition list is proof that writing W3C specifications and smoking crack are not mutually exclusive activities. “I think Eve is watching” is not a definition of “Alice.” If you (ab)use a definition list in this way, Norm will hunt you down. The conversation problem was revisited in HTML5. What if dt and dd didn’t always mean “definition title” and “definition description”? A new element was forged: dialog. Now the the “d” in dt and dd doesn’t stand for “definition”, it stands for “dialog” (or “dialogue” if you can spell): <dialog> <dt>Alice</dt>: <dd>I think Eve is watching.</dd> <dt>Bob</dt>: <dd>This isn't a cryptography tutorial ...we're in the wrong example!</dd> </dialog> Problem solved …except that dialog is no longer in the HTML5 spec. Hixie further expanded the meaning of dt and dd so that they could be used inside details (which makes sense—it starts with a “d”) and figure (…um). At the same time as the content model of details and figure were being updated, the completely-unrelated dialog element was dropped. Back to the drawing board, or in this case, the HTML 4.01 specification. The spec defines the cite element thusly: Contains a citation or a reference to other sources. Perfect! There’s even an … | 2009 | Jeremy Keith | jeremykeith | 2009-12-11T00:00:00+00:00 | https://24ways.org/2009/incite-a-riot/ | code |
| 280 | 280 | Conditional Loading for Responsive Designs | On the eighteenth day of last year’s 24 ways, Paul Hammond wrote a great article called Speed Up Your Site with Delayed Content. He outlined a technique for loading some content — like profile avatars — after the initial page load. This gives you a nice performance boost. There’s another situation where this kind of delayed loading could be really handy: mobile-first responsive design. Responsive design combines three techniques: a fluid grid flexible images media queries At first, responsive design was applied to existing desktop-centric websites to allow the layout to adapt to smaller screen sizes. But more recently it has been combined with another innovative approach called mobile first. Rather then starting with the big, bloated desktop site and then scaling down for smaller devices, it makes more sense to start with the constraints of the small screen and then scale up for larger viewports. Using this approach, your layout grid, your large images and your media queries are applied on top of the pre-existing small-screen design. It’s taking progressive enhancement to the next level. One of the great advantages of the mobile-first approach is that it forces you to really focus on the core content of your page. It might be more accurate to think of this as a content-first approach. You don’t have the luxury of sidebars or multiple columns to fill up with content that’s just nice to have rather than essential. But what happens when you apply your media queries for larger viewports and you do have sidebars and multiple columns? Well, you can load in that nice-to-have content using the same kind of Ajax functionality that Paul described in his article last year. The difference is that you first run a quick test to see if the viewport is wide enough to accommodate the subsidiary content. This is conditional delayed loading. Consider this situation: I’ve published an article about cats and I’d like to include relevant cat-related news items in the sidebar …but only if there’s enough room on the scree… | 2011 | Jeremy Keith | jeremykeith | 2011-12-02T00:00:00+00:00 | https://24ways.org/2011/conditional-loading-for-responsive-designs/ | ux |
| 46 | 46 | Responsive Enhancement | 24 ways has been going strong for ten years. That’s an aeon in internet timescales. Just think of all the changes we’ve seen in that time: the rise of Ajax, the explosion of mobile devices, the unrecognisably changed landscape of front-end tooling. Tools and technologies come and go, but one thing has remained constant for me over the past decade: progressive enhancement. Progressive enhancement isn’t a technology. It’s more like a way of thinking. Instead of thinking about the specifics of how a finished website might look, progressive enhancement encourages you to think about the fundamental meaning of what the website is providing. So instead of thinking of a website in terms of its ideal state in a modern browser on a nice widescreen device, progressive enhancement allows you to think about the core functionality in a more abstract way. Once you’ve figured out what the core functionality is – adding an item to a shopping cart, posting a message, sharing a photo – then you can enable that functionality in the simplest possible way. That usually means starting with good old-fashioned HTML. Links and forms are often all you need. Then, once you have the core functionality working in a basic way, you can start to enhance to make a progressively better experience for more modern browsers. The advantage of working this way isn’t just that your site will work in older browsers (albeit in a rudimentary way). It also ensures that if anything goes wrong in a modern browser, it won’t be catastrophic. There’s a common misconception that progressive enhancement means that you’ll spend your time dealing with older browsers, but in fact the opposite is true. Putting the basic functionality into place doesn’t take very long at all. And once you’ve done that, you’re free to spend all your time experimenting with the latest and greatest browser technologies, secure in the knowledge that even if they aren’t universally supported yet, that’s OK: you’ve already got your fallback in place. The key to thinking about web devel… | 2014 | Jeremy Keith | jeremykeith | 2014-12-09T00:00:00+00:00 | https://24ways.org/2014/responsive-enhancement/ | code |
| 258 | 258 | Mistletoe Offline | It’s that time of year, when we gather together as families to celebrate the life of the greatest person in history. This man walked the Earth long before us, but he left behind words of wisdom. Those words can guide us every single day, but they are at the forefront of our minds during this special season. I am, of course, talking about Murphy, and the golden rule he gave unto us: Anything that can go wrong will go wrong. So true! I mean, that’s why we make sure we’ve got nice 404 pages. It’s not that we want people to ever get served a File Not Found message, but we acknowledge that, despite our best efforts, it’s bound to happen sometime. Murphy’s Law, innit? But there are some Murphyesque situations where even your lovingly crafted 404 page won’t help. What if your web server is down? What if someone is trying to reach your site but they lose their internet connection? These are all things than can—and will—go wrong. I guess there’s nothing we can do about those particular situations, right? Wrong! A service worker is a Murphy-battling technology that you can inject into a visitor’s device from your website. Once it’s installed, it can intercept any requests made to your domain. If anything goes wrong with a request—as is inevitable—you can provide instructions for the browser. That’s your opportunity to turn those server outage frowns upside down. Take those network connection lemons and make network connection lemonade. If you’ve got a custom 404 page, why not make a custom offline page too? Get your server in order Step one is to make …actually, wait. There’s a step before that. Step zero. Get your site running on HTTPS, if it isn’t already. You won’t be able to use a service worker unless everything’s being served over HTTPS, which makes sense when you consider the awesome power that a service worker wields. If you’re developing locally, service workers will work fine for localhost, even without HTTPS. But for a live site, HTTPS is a must. Make an offline page Alright, assuming your site is being served… | 2018 | Jeremy Keith | jeremykeith | 2018-12-04T00:00:00+00:00 | https://24ways.org/2018/mistletoe-offline/ | code |
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