HTML | Robert James Metcalfe Blog

Window SessionStorage Client Versus Server Tutorial

Sometimes it’s the case at this blog that we’d like to introduce a new topic, but do not do so, because we cannot show any real world (or real application) use of that concept. So it has been, up until … Continue reading →

Window LocalStorage Client Versus Server Primer Tutorial

Even though we rave on a lot about serverside PHP and its $_POST method=POST (versus HTML/Javascript recipient via ? and & argument $_GET method=GET scenario) data length advantages as the recipient of an HTML form method=POST set of data that … Continue reading →

User Controlled Dynamic Javascript YouTube Embedded API Ajax Tutorial

Around here we have our favourite Javascript and PHP function names. And in that list, the Javascript “ajaxit([argument1])” features strongly and commonly. After reaching below the sink After talking excitedly to the kitchen taps about my plans … oddly, receiving … Continue reading →

User Controlled Dynamic Javascript YouTube Embedded API Ordered Tutorial

We think that whenever you … deprive many people of “order” in their lives … they’ll crave for (and maybe seek out) “order” … and when you … deprive many people of “randomosity” in their lives … they’ll crave for … 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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