HTML | Robert James Metcalfe Blog

Video Pixel Manipulation via Canvas Tutorial

The recent Video Mask via Canvas Primer Tutorial got us started on a dynamic video manipulation tool that we see as … “see through” or masking functionality … and onto that today, we’d like to add two more pixel manipulation … Continue reading →

Video Mask via Canvas Primer Tutorial

Thanks to Manipulating Video using Canvas we have a … video … meets … canvas … may meet … image … or background colour … masking mechanism … today with a new web application (called video_mask_via_canvas.html) live run (supervising external … Continue reading →

Same Domain Popup Moveto Canvas Tutorial

The current popup window project we are constructing on top of yesterday’s Same Domain Popup Moveto User Control Tutorial relies on non-mobile platform principles and though we are sad this is the case we want to persevere because there are … Continue reading →

Same Domain Popup Moveto User Control Tutorial

Moving along … chortle chortle … from yesterday’s Same Domain Popup Moveto Primer Tutorial automated (ie. programmed) screen edge popup window moving, can we allow the user to control the popup window positioning? Before you say “of course we can, … Continue reading →

Same Domain Popup Moveto Primer Tutorial

Yesterday’s Australian Postcode Place Modal Backdrop Popup Move Tutorial outlined a dilemma … window.open based Window with that 3rd argument popup positioning used … Window object method moveTo … when that Window URL is … cross-domain … but today we … Continue reading →

HTML5 Word Break Opportunity Element Primer Tutorial

The wbr HTML element introduced with HTML5 is not likely to be an element you need very often, but can be a life saver if you hate text content running outside the bounds of the element it is in. This … Continue reading →

HTML CSV Report Validation via Client Input or Regular Expression Tutorial

There are as many ways to present data as there are stars in the sky, we venture, but some make so much more sense than others in terms of … how the data comes to you what you want to … Continue reading →

November 2026
S	M	T	W	T	F	S
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30

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?

Your Numbers Game
Get clue	Your answer	Your Score
Clue?		Score 0/0

Tag Archives: HTML

Video via Canvas File API Tutorial

Video Pixel Manipulation via Canvas Tutorial

Video Mask via Canvas Primer Tutorial

HTML5 Word Break Opportunity Element Primer Tutorial

HTML CSV Report Validation via Client Input or Regular Expression Tutorial

Numbers Guessing Game

Your Numbers Game

Recent Posts

Categories

Meta

Your Background Image

OnTopList

Latest Comments