HTML | Robert James Metcalfe Blog

Canvas Annotation Email Attachment Rotation Tutorial

It’s time to return to Annotations, specifically Image content for Annotations, and the ability to be able to Rotate those images, or the whole HTML canvas element that hosts them. It’s part of the functionality we need in our “toolbox” … Continue reading →

HTML Canvas What Do We Stand For Game Annotation Tutorial

The HTML Canvas element is great for many types of games especially where you draw your own graphics based on interaction from the user. Today, we follow up on yesterday’s HTML Canvas What Do We Stand For Game Primer Tutorial … Continue reading →

HTML Canvas What Do We Stand For Game Primer Tutorial

The HTML Canvas element is great for many types of games especially where you draw your own graphics based on interaction from the user. Today you may consider our What Do We Stand For “game” to be more of a … Continue reading →

Canvas Annotation Email Attachment Undo Tutorial

A web application allowing user defined Annotations is better when there is an “Undo” and “Redo” functionality option. This is because with any user intervention, there can be erroneous work, which sometimes can be a real pain to recover from … Continue reading →

Canvas Email Attachment Scribble Tutorial

Personally think that Annotations are better when there is a “Scribble” functionality option. Perhaps you want to “sign off” on your Annotations. Without a “Scribble” option, it’s a bit impersonal relying on computer fonts as the means by which you … Continue reading →

Canvas Email Attachment New Image Tutorial

When we last left off with Canvas Image Email Attachment External Javascript Tutorial project we posed two ongoing “trailers”/”spoiler alerts” … We “might” have genericized the world.html changes into other HTMLs of its ilk … well, we decided against that … Continue reading →

Javascript Function Overload Genericization Tutorial

A while back now, when we presented Javascript Function Overload Primer Tutorial as shown way below, we considered an ultimate “dream” scenario … You may wonder, at this point, why this blog posting took so long? Well, the original “dream” … Continue reading →

Javascript Dynamic Function Overload Tutorial

Once you’ve succeeded with a piece of coding logic that is functioning, and you went to the trouble of making it modular, which we feel we did a couple of days ago when we presented Javascript Function Overload Primer Tutorial, … 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

Canvas Annotation Email Attachment Rotation Tutorial

HTML Canvas What Do We Stand For Game Annotation Tutorial

HTML Canvas What Do We Stand For Game Primer Tutorial

Canvas Annotation Email Attachment Undo Tutorial

Canvas Email Attachment Scribble Tutorial

Canvas Email Attachment New Image Tutorial

Javascript Function Overload Genericization Tutorial

Javascript Dynamic Function Overload Tutorial

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