HTML | Robert James Metcalfe Blog

Animated Linear Gradient Border Primer Tutorial

Over a few days now at this blog, we’ve been trialling a CSS styling idea for when we use HTML iframe elements to allow the reader to try a web application as they read the blog posting content. This CSS … Continue reading →

Ants Up a Wall Game Fixed Tutorial

It’s often hard, with web application games, to know how much “randomosity” is good. Too little, and little interest, but too much and the game might become scatter-brained, and thereby less interesting at the other end of the spectrum. Do … Continue reading →

Hashtag Navigation Scrolling Tweaks Primer Tutorial

We’ve got what we hope is an interesting proof of concept web application for you today. What do you think of … Hagtag navigation plus a Scrolling correction … combining that … HTML #hashtag navigation eg. #t5 … combined with … Continue reading →

Marquee Placeholder Primer Tutorial

We’ve got what we think is a very interesting proof of concept web application for you today. What do you think of … Marquee Placeholder … combining that … HTML marquee element for that “Eat at Joe’s” or “share ticker … Continue reading →

Google Translate Landing Page Translate Updated List Tutorial

Yesterday’s Google Translate Landing Page Translate Update Tutorial left off with … It’s the start that does not ingrain the webpage HTML to any great permanence, and that is for another “PHP involvement” day. … and that new day is … Continue reading →

Google Translate Landing Page Translate Update Tutorial

The recent Google Translate Landing Page Translate Tutorial … updated our “interface” to the great Google Translate strategy for the RJM Programming Landing Page webpage group … but … did not update to the latest “language code list” to the … Continue reading →

HTML Button Element Whitespace Primer Tutorial

The topic of “whitespace” in webpages is a very big subject for something a lot of us may think of as “the things that aren’t the things”, if you know what I mean? We talked about it a little with … 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

Animated Linear Gradient Border Primer Tutorial

Ants Up a Wall Game Fixed Tutorial

Hashtag Navigation Scrolling Tweaks Primer Tutorial

Marquee Placeholder Primer Tutorial

Video via Image Filter and Canvas Magnifier Internet Explorer and Edge Tutorial

HTML Button Element Whitespace Primer Tutorial

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