Random JS experiments

This domain is where I store all my programming experiments, as well as a few file buckets. Be aware that many or most of these are proof-of-concept only, and may work in all, some, or no browsers at all. (Some of these rely on features or services that no longer exist.) —Tim McCormack

• 2023-06-11: An interactive visualization of complex number multiplication via power sequences (iterated multiplication).
• 2023-03-23: sum1337, a math grid game. (Sumplete knockoff.)
• 2022-01-23: A little tool to create ICS calendar files for simple lists of all-day events. These files can then be statically hosted for people to subscribe to.
• 2021-11-14: I recently bought a new flip phone because 3G was being turned off. Unfortunately, it has a web browser that almost works. (I don't want the internet in my pocket. Too tempting.) I can almost use Google Maps or OpenStreetMap, though, which would actually be useful. So I wrote a tiny map page that uses OpenStreetMap tiles and some compact keyboard-accessible controls; it's just barely usable on the phone and pretty much exactly fills the screen. Out of nostalgia, I also wrote something screen-filling but also keyboard-accessible, more of an original-Google-Maps feel.

Undated things

Sorry about the GPL license on many of these older files -- I know now that that's pretty questionable for Javascript, but many of these are old experiments and I haven't bothered to clean up the licenses. I'd be very happy to figure out proper licenses upon inquiry.

• Demo of animating page title
• Straighten a path: Fun little algorithm visualizer.
• Image-based Data Transfer Protocol: Get cross-domain data using client-side technology. (Stupid pixel tricks; this was before CORS was a thing.)
• DOM-storage Minesweeper: A somewhat slow game of minesweeper that uses the document tree to store state information.
• 110 and some other cellular automata: Run any (or all) of Wolfram's elementary cellular automata.
• Remove left recursion from a CFG: LL parsers for context-free-grammars don't like left-recursion, so I wrote this tool to remove it.
• BMP-creator in JS: Generate bitmap files in javascript and display them in the page. (No really, it's actually bulding a BMP file complete with headers. I don't remember why I did this.)
• Offline geohash calculator: For use when you don't have internet access but do have access to the opening value of the DJIA.
• Generate file downloads: This is useful when you're on a restricted public internet terminal. *cough cough*
• HTML sanitizer: Whitelist based sanitizer, very flexible.
• Pan+zoom image helper: I wrote this tool to help me generate an interesting view of Google Maps' data.
• Identify a character: Paste a character into the text field and the app will tell you what the Unicode code point is, with a link to more information on the character.
• Prime factor odd-ness count graph: Visualization of O(n) (red) and E(n) (green), where O(n) is the number of natural numbers <= n where the prime factorization is of odd length (E is for even).
• DST notifier: Generate a feed that will notify you when daylight saving time is about to begin or end.
• JS-based presentation: Sample PowerPoint-like presentation written in javascript for a school project, probably in 2008.
• Binary counter visualization: Just a binary counter written to explain something to a friend.

Geohashing

I used to maintain geohash.info on a separate domain, but now it's here to save on domain costs and simplify hosting.

Broken or obsolete

I mean, some of the others are too, but these *definitely* are.

• Retrieve your Magnolia bookmarks from browser history: This tool will become less useful with each passing day.
• PST drawer: Draw a phrase syntax tree from a properly-formatted sentence. (Planning to make a nicer interface for input.)

Random crap

• Road Ragers: Perhaps if I note their license plates here, I'll help someone else who encounters them make the call on whether to file a police report.