HTML | Robert James Metcalfe Blog

HTML Nested Centering via CSS Primer Tutorial

We’ve talked before about why with our HTML webpage design we so often turn to the HTML table element when it comes to “precision” alignment requirements. We find the HTML table element “gels” well with what we grew up to … Continue reading →

Textarea Width and Height Control Primer Tutorial

Continuing on the theme of HTML5 new elements (and features), HTML input types in today’s case, as for the previous Colour Discernment Game Primer Tutorial‘s case (of the new HTML5 type=color HTML input type) we draw parallels with … the … Continue reading →

Ideal Gas Law Calculator Primer Tutorial

We never did chemistry at school, but a lot of you out there will have, and you will probably know a lot about the three states of matter … solid liquid gas … and have worked the equations related to … Continue reading →

Adverb Types Game Primer Tutorial

If you study English grammar at a “word” level, the definition of an “adverb” becomes very fluid. We were taught at school, maybe to simplify things, that “adverbs modify verbs”, but maybe it was because we were so young then, … Continue reading →

Webpage that Self-Destructs Primer Tutorial

You’d probably have heard of the mobile app Snapchat and perhaps the principles of how it works. This design reminds me of that Mission Impossible “This tape will self-destruct” modus operandi. So, today, we set out using PHP to have … Continue reading →

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Latest Comments
1. Sean Zhang on Cocos2d Mac Game Hello World Cocos Creator TutorialNovember 14, 2026
  The Hello World starting point makes it easier to separate project setup from asset problems. A useful follow-up would be importing a small sprite sheet and checking frame dimensions, ordering and padding before adding animation logic. Previewing the individual frames first can help identify whether a problem comes from the artwork or from the engine configuration.
2. Hello Team on Javascript Course Primer TutorialNovember 13, 2026
  The distinction between course-driven and immersion-driven learning is useful. A small extension to the australia.htm exercise would be a set of named map markers and a text filter: first update the visible markers on an input event, then add a collected/uncollected toggle, and finally persist only that toggle state in localStorage. That gives beginners a concrete reason to learn arrays, DOM updates and browser storage without needing PHP or MySQL first. It is also worth testing empty searches, a page reload and disabled storage separately; those are different failure cases. Disclosure: we maintain the GTA 6 interactive map. I am suggesting it as an example of a map-and-progress interface, not claiming that we used the tutorial code. Would you introduce persistence after the first working interaction, or keep the initial exercise entirely stateless?
3. tooloteca on Tabular Single Row Radio Play TutorialNovember 12, 2026
  What I find most interesting here is how honestly the post names the hard part: getting focus to work with [element].click() and [element].blur() is the kind of detail that looks trivial until you actually try to drive a page this way. The single-row table that deliberately overflows to the right also makes sense as a design choice, since a radio playlist needs to be scrolled through rather than squeezed into one screen. And the payoff — clicking one song link and having the songs play in sequence and loop back through the list — is a neat reward for all that plumbing with the audio-only YouTube player.
4. Aleister on Tabular Single Row Radio Play TutorialOctober 22, 2026
  I like the single-row radio-play approach for keeping the controls compact while still making each selection clear. When I’m checking a calculation alongside a tutorial, I use StepStat to see the intermediate steps; how do you handle the layout when the playlist gets much longer?
5. anagrampuzzle on Tabular Single Row Radio Play TutorialOctober 18, 2026
  The idea of mapping a video's key scenes, mood, pacing, and audio before production resonates with me — it's a lot like working out an anagrampuzzle, where the same pieces only make sense once you rearrange them into the right order. Do you usually sketch the mind map before or after the script is locked?

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Tag Archives: HTML

HTML Nested Centering via CSS Primer Tutorial

Textarea Width and Height Control Primer Tutorial

Ideal Gas Law Calculator Primer Tutorial

Webpage that Self-Destructs Primer Tutorial

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