60 posts tagged with JavaScript.
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Datasette Lite

I've been working on Datasette, a Python application for exploring databases for a few years now. Today I released a new tool built on top of it: Datasette Lite, which runs the existing server-side Python application entirely in your browser, using a WebAssembly version of Python. [more inside]
posted by simonw on May 5, 2022 - 4 comments

Pattern Explorer

A little math/bit operation pattern explorer, inspired by a thread on the Blue about Bit-field patterns. [more inside]
posted by reventlov on Aug 1, 2021 - 0 comments

Full featured, extensible enumerations for javascript.

It seems like my pandemic super-power is starting a project, getting side-tracked by some aspect of that project, turning that into its own project and then forgetting about the thing I was originally working on. In that spirit, I give you enumerated types (not just constants!) for javascript. [more inside]
posted by Mister_Sleight_of_Hand on Mar 18, 2021 - 1 comment

Needledrop

Needledrop is a skeuomorphic vinyl turntable interface for listening to music on YouTube. Use it with your favorite albums and share with friends. Try it out for good vibes.
posted by thomaspark on Mar 3, 2021 - 3 comments

blob-opera-midi

I became somewhat obsessed with the Google Blob Opera (FPP) and, more specifically, making it sing arbitrary songs (MIDI control is supported but very limited, or at least difficult to program manually). What started out as quick and dirty hack to convert 4-part MIDI arrangements to Blob Opera format JSON ended up as a slightly less quick and dirty standalone npm module. [more inside]
posted by OverlappingElvis on Jan 27, 2021 - 1 comment

Codepip: coding games for learning web dev

A few years back, I released two CSS coding games as weekend open source projects: Flexbox Froggy and Grid Garden. Based on the positive reception they got, I was motivated to launch Codepip and expand into more games. Since launch I've added six games for learning different aspects of HTML, CSS, and JavaScript, with more in the works. Last week came Sourcery, which introduces the HTML workflow tool Emmet.
posted by thomaspark on Oct 31, 2020 - 2 comments

TV Opening Sequences Quiz

Identify each TV show by a single frame taken from their opening titles. All those years spent on the sofa watching mindless entertainment can finally pay off, if only in Internet glory. [more inside]
posted by AndrewStephens on Apr 27, 2020 - 4 comments

Unicode Text Transformer

This little web toy converts latin text into unicode variants. It translates spaces and some punctuation into full-width variants when the glyphs in the variant are generally square-ish, otherwise it leaves them alone. 𝔜𝔬𝔲 𝔠𝔞𝔫 𝔲𝔰𝔢 𝔦𝔱 𝔱𝔬 𝔪𝔞𝔨𝔢 𝔱𝔢𝔵𝔱 𝔩𝔦𝔨𝔢 𝔱𝔥𝔦𝔰. 𝓐𝓷𝓭 𝓽𝓱𝓲𝓼.
posted by Sokka shot first on Jan 31, 2020 - 10 comments

Numble Jumber - Simple Browser Puzzle Game

The title basically says it all. I made a simple browser puzzle game. You try to move the five blocks from one side of the screen to the other and place them in order. DIFFICULTY: You can't move the blocks individually. It works best on a computer using the arrow keys, but can also use swipe on mobile. If you are looking to kill a few minutes at work, give it a try.
posted by Literaryhero on Aug 1, 2019 - 10 comments

Plink

A macOS-based music programming environment for hosting AudioUnit instruments and effects and allowing them to be played and controlled with code written in JavaScript, optionally driven by a score. (Work under development.) [more inside]
posted by acb on Apr 17, 2019 - 0 comments

The Solar Nerd

In which I nerdily compile everything you might want to know if you are planning to stick solar panels on your roof or your backyard. If you already have panels and a supported inverter, you can join the community and your inverter data will show up automatically, and people can you ask you stuff. [more inside]
posted by caffeine_monkey on Feb 20, 2019 - 4 comments

WhatCSS:

Dramatically decrease your page's initial CSS load. WhatCSS.info automatically generates a minified version of the bare minimum CSS a user needs to begin interacting with your site. [more inside]
posted by ph00dz on Jan 2, 2019 - 1 comment

Sprinkles: a javascript repeating pattern creator

A pattern generator to create repeating sprinkly designs. Sprinkle colours, width, density, and length are adjustable. Comes with included theme presets.
posted by smasuch on Mar 5, 2018 - 3 comments

Chart.Business

High-performance web site for business professionals with advanced business needs, keep up-to-date on all business facts for your business. Growth, leverage, portfolio, value-added, markets and other key business metrics. [more inside]
posted by overeducated_alligator on Jan 11, 2018 - 5 comments

OUR AUDIENCE INCLUDES

SAD CATS • PURCHASERS OF SPACECRAFT • MACHINE INTELLIGENCES WHOSE ID SUGGESTS THEY MAY BE USERS OF ICHOR (I made a web toy that generates short descriptions of very specific demographic groups, and saves the ones people click on.) [more inside]
posted by Sokka shot first on Jan 2, 2018 - 1 comment

Three unofficial Metafilter web-extensions

Rewrites of three existing Metafilter Greasemonkey scripts in web extension format. [more inside]
posted by urbanwhaleshark on Sep 25, 2017 - 5 comments

FatFinger.JS

FatFinger is a library that allows you to run JavaScript full of typos. It will look at your code, attempt to guess at your intent, and do its best to make the code runnable. Rather than a tool to clean up code, FatFinger encourages the programmer to leave the code full of errors and fully embrace the chaos of JavaScript. [more inside]
posted by rottytooth on Aug 9, 2017 - 9 comments

Mk Mrc Grt Gn! A Disemvoweling Twitter Bot

Inspired by a tweet from (metafilter's own) Maciej Cegłowski, I made a dumb Twitter bot using Glitch one night that disemvowels 45's mouthspew on Twitter as if he were a dumb troll trying his best to annoy the mods. The resulting tweets are collected at @Dsmvwld_PTS. [more inside]
posted by snortasprocket on Jul 28, 2017 - 0 comments

Shut Up, Donny

Shut Up, Donny is an open-source extension for Google Chrome that lets Twitter users auto-reply to Donald Trump with one message: delete your account. [more inside]
posted by ludwig_van on Jan 24, 2017 - 4 comments

Interactive diary chat bot

Monolog is an interactive diary bot that prompts you with interesting questions, which it chooses based on the topics you write about. [more inside]
posted by TheMadStork on Dec 23, 2016 - 6 comments

Dingwings: Reverse Wingdings

Dingwings is a font you can only type with an emoji keyboard. [more inside]
posted by overeducated_alligator on Dec 6, 2016 - 1 comment

Making a PBJ in 2016

After having read enough articles about exasperation about there being just too much stuff in JavaScript, I decided to write one as well – about my trip to the grocery store!
posted by ignignokt on Oct 4, 2016 - 4 comments

Interactive video feedback simulator in WebGL

Basically what it says on the tin. Hopefully it works for mobile users, but you'll have the best experience on a full monitor. Warning: it's pretty easy to create bright, flashing patterns with it, so photosensitive folk be careful.
posted by miniraptor on Jun 13, 2016 - 5 comments

A pun generator

Generates puns written in the form "You could say he they put the 'demons' in 'demonstrators.'" Written in pure JavaScript, this pun generator can provide a few minutes of amusement, and might even generate something witty and worth sharing! [more inside]
posted by candasartan on May 18, 2016 - 12 comments

The Full Stack

Unique insights for JavaScript developers.
posted by dortzur on Apr 4, 2016 - 2 comments

That Half-Drop Image Grid From The Royal Tenenbaums . JavaScript

My first js library, w o w. A brand-new JavaScript file for repeating an HTML element's background image in a centered half-drop pattern, like that thing (1, 2, 3) from that movie. Also available on github.
posted by tvler on Oct 23, 2015 - 0 comments

Structured text editor component for the web

In a deplorable lapse of judgement, I decided that I would be the person to fix the sorry state of online content writing, where sites currently either use crude HTML or Markdown input fields, or infuriating WYSIWYG components. Seven months later, there is ProseMirror, an alpha-stage piece of software that might just grow into the editor I want the web to use. It even does collaborative editing because some problems are just hard to resist. [more inside]
posted by marijn on Aug 18, 2015 - 6 comments

ifTree

My attempt at putting together a very simple javaScript plugin for creating dialog trees and interactive fiction games, complete with some javaScript hooks so you can tie it into other stuff. GitHub link, examples.
posted by Artw on Jun 9, 2015 - 7 comments

106.js

Play an 80s synth in your browser with 106.js, a MIDI-enabled emulation of the Roland Juno-106 synthesizer. Chrome/Desktop only. Github repo here.
posted by ludwig_van on May 18, 2015 - 9 comments

simple geocoder

A straightforward web interface for geocoding addresses in a CSV (or other delimited text file) and visualizing the results on a map as you go. Spits out CSV and GeoJSON. [more inside]
posted by waninggibbon on May 2, 2015 - 3 comments

Fuck Shit Up

Fuck Shit Up is a Chrome extension that semi-judiciously sprinkles some "fuck"s into whatever web page you're reading. Not enough fucks? Hit the button a few more times. Gets interesting results when applied to news, dry technical stuff, Wikipedia, and Twitter at the least. [more inside]
posted by ignignokt on Apr 18, 2015 - 5 comments

NoDoNot

Generate an image and slap the No Symbol on top! [more inside]
posted by wintrymix on Jan 21, 2015 - 7 comments

@autocompleterap

@autocompleterap is a Twitter bot that combines rap lyrics (from ohhla - scraping courtesy of @beaugunderson) and Google search autocomplete suggestions. [more inside]
posted by ignignokt on Jan 14, 2015 - 2 comments

Crazy Trick: Is it a clickbait headline or spam mail?

A simple quiz: Guess whether the text is from a subject in my spam folder or a news headline. Or: 21 scandalous true uncensored answers no one wants you to know, but everyone — including your future life partner — is talking about. [more inside]
posted by c95008 on Sep 23, 2014 - 5 comments

example.com


posted by xchmp on Sep 6, 2014 - 0 comments

Hyper-Yakety-Lapse

Instagram announced Hyperlapse - their new smoothed timelapse app for iOS (which is really cool). I felt it was lacking an 'add yakety-sax' button, so I went and created a bookmarklet to do just that.
posted by TwoWordReview on Aug 27, 2014 - 1 comment

Logs of Lag: League of Legends netlog analysis

A drag-and-drop web tool for analyzing network logs from the game League of Legends. Fast, simple, helps you understand the lag you see while playing the game. It's a simple HTML5 app built with D3.js. Screenshot, GitHub.
posted by Nelson on Jun 8, 2014 - 5 comments

The Disintegrator

The disintegrator lets you select any valid audio file from your library (MP3, wav etc) which is supported by your browser. Once you click play the distortion level continually increases until you're left with a beautifully distorted cacophony! [more inside]
posted by TwoWordReview on May 21, 2014 - 16 comments

SliderBuilder: Make responsive sliders and carousels online

SliderBuilder is an interactive web-based WYSIWYG editor for creating slideshows, content sliders, and carousels for a website or blog. You manipulate slides, layers, images, and text through a web interface, then either generate HTML code to paste into your site or publish your slider at sliderbuilder.com. [more inside]
posted by quarantine on May 16, 2014 - 1 comment

An interactive explanation of quadtrees.

Because I was confused by them initially, I wrote an explanation of the concept of quadtrees (including some details about the D3 implementation of them), with some interactive elements that hopefully provide some hands-on stickiness. I tried to shoot for a non-programmer audience in the end. [more inside]
posted by ignignokt on Apr 24, 2014 - 13 comments

Soundslice interactive sheet music player

Sheet music / guitar tabs rendered entirely in the browser, synced with a real audio recording. Slow down without changing pitch, loop sections, resize notation dynamically. Demo video.
posted by adrian_h on Mar 17, 2014 - 9 comments

Pull-quotable?

Spare yourself the anguish of vainly trying to tweet a 118-character pull quote. [more inside]
posted by daveliepmann on Jan 22, 2014 - 2 comments

acb's technical journal

I have started a new technical blog, where I will be documenting various projects I have worked on (typically involving code, though not always). [more inside]
posted by acb on Jul 10, 2013 - 0 comments

Morse Code Decryptor

Inspired by this post, I threw together a bookmarklet for decrypting morse code in a web page. Once you've added the bookmarklet, select the morse code on a page and click it. The decrypted text will pop up in an alert box. Github project here.
posted by rouftop on Jun 17, 2013 - 2 comments

Learn programming with Reeborg

Reeborg's World, an adaptation of Karel the Robot, is designed to teach programming. At present, only Javascript is taught but a Python version is planned for the near future. By design, the progression is very slow but the aim is to cover almost all the basic features (and keywords) of Javascript using a Test-Driven Learning approach. Reeborg's World is free to use and does not require any login.
posted by aroberge on Jun 11, 2013 - 2 comments

Password Generator

Using the same password for multiple email, e-commerce and social networking websites is risky, but the majority of web users still do it. This tool allows you to generate unique passwords for a bunch of popular websites in one step. [more inside]
posted by Lanark on Apr 11, 2013 - 3 comments

Generate images using an evolutionary algorithm by accepting or rejecting random images

This simple JavaScript game allows you to evolve a small image simply by accepting or rejecting random images, allowing them to "reproduce" into a new generation, and then winnowing down that generation to the "fittest" (ie, closest to your desired outcome) individuals. In other words, without drawing, you can--simply by accepting and rejecting images--create an image that you imagine.
posted by candasartan on Feb 28, 2013 - 2 comments

Metropho.rs

Metropho.rs is a geographic metaphor map that plots "X is the Y of Z" tweets by putting the "Y" label on the "X" location. Some nice coverage by the Atlantic Cities blog here. [more inside]
posted by creade on Jan 5, 2013 - 3 comments

Spotmaps - film colour blueprints

Spotmaps is an on-going project to map the colour footprints of different films. The website was designed to show off the completed image library. [more inside]
posted by urbanwhaleshark on Jan 1, 2013 - 2 comments

Powershop.co

Powershop search engine for PC components (like motherboards, CPUs, etc). My basic plan was to create a tool like diskcompare that would work for all types of components, as well as an attempt to come up with a modern HTML5 UI that would let you view and filter data the same way you would in a spreadsheet or database browser. Right now it works for CPUs, GPUs, RAM, Motherboards, Monitors, Hard drives (including SSDs), USB sticks (and flash cards), Monitors, Cases and Fans, as well as Laptops and Tablets. The front-end was done entirely in javascript (about 5k lines of JS before compression), and no HTML is generated server-side, instead plain HTML is sent and the javascript code requests JSON objects for everything else. [more inside]
posted by delmoi on Dec 15, 2012 - 4 comments

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