HTML | Robert James Metcalfe Blog

Drag and Drop Iframe Primer Tutorial

We were “really taken” by the possibilities trying out How To Create a Draggable HTML Element (by W3Schools), to drag and drop elements on non-mobile webpages. So much so, we wrote a “proof of concept” dragger and dropper of up … Continue reading →

Landing Page Linked Background Images Long Hover Tutorial

Yesterday’s Landing Page Linked Background Images Tutorial introduced linked background (thumbnail) image “onclick” event logic. Today, we extend, rather than impinge in any way, by adding “long hover” linked background (thumbnail) image functionality, which bases itself on a “short hover … Continue reading →

Landing Page Linked Background Images Tutorial

We’ve introduced to the RJM Programming Landing Page some linked background images which link the reader to this WordPress Blog. There are … five images shown to a 30 x 20 thumbnail size … applied as … <div id=”style_3″ class=”style_3″ … Continue reading →

HTML Carriage Return and or Line Feed Reimagined Tutorial

The “lonely \r characters” of yesterday’s HTML Carriage Return and or Line Feed Primer Tutorial get a “reimagining” from us with today’s “inhouse” additional … Our Overlay Carriage Return ( \r ) Our Clobbering Carriage Return ( \r ) … … Continue reading →

HTML Carriage Return and or Line Feed Primer Tutorial

Some vertical record delimiting wonderment in HTML we just let pass through to the keeper, except to say that HTML rendering just about always works as intended, and yet back in the day you’d need to worry about whether your … 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

Drag and Drop Iframe Mobile Tutorial

Drag and Drop Iframe Primer Tutorial

Landing Page Linked Background Images Long Hover Tutorial

Landing Page Linked Background Images Tutorial

HTML Carriage Return and or Line Feed Reimagined Tutorial

HTML Carriage Return and or Line Feed Primer Tutorial

HTML Online Validation Tidy Errors Tutorial

HTML Online Validation Above the Fold Tutorial

Numbers Guessing Game

Your Numbers Game

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