HTML | Robert James Metcalfe Blog

Australian Indigenous Language HTML Map Audio and YouTube Tutorial

We’ve revisited the Australian Indigenous Language HTML Map jQuery YQL Tutorial in a quest we have to try to improve this web application’s search abilities regarding the thousands of years of oral tradition, wondering if there are sources online to … Continue reading →

Colour Discernment Game Primer Tutorial

Today we’ve got a “Colour Discernment” Game web application for all you colour discerners out there in the colourful “net” land. We know that you know that they know you’re out there, so there! It’s a pretty simple game in … Continue reading →

PHP/Javascript SVG Colour Picker Tutorial

Today’s posting hooks up two HTML5 concepts, as described below … The HTML5 specification allows for the display of 2D-graphics via SVG HTML tags which use graphical applications in XML and the XML is then rendered by a SVG viewer. … Continue reading →

Emoji Overlay Share Tutorial

Yesterday’s start with Emoji Overlay ideas (we presented via Emoji Overlay Primer Tutorial as shown below) was okay, but as of yesterday, had a dose of the “unaccountables” about it. And when you have a piece of software with the … 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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HTML Div Overlay Jigsaw Talents Primer Tutorial

Australian Indigenous Language HTML Map Audio and YouTube Tutorial

Colour Discernment Game Primer Tutorial

PHP/Javascript SVG Colour Picker Tutorial

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