Jon Kuperman

@jonkuperman.com

6882 Followers 830 Following

TC39 - Signals - Source Maps - TS/JS @Bloomberg. Previously I did web at Adobe and Twitter. Opinions are my own.

France 4 vs. England 6 in the world cup third place playoff
A photo of a cow labeled “cow” and a dog labeled “dog” on a screen where Apple is bragging about their image recognition
Well that escalated quickly meme
My timeline is full of people saying “technology X is cool”
My eSIM saying I still have 11 days left on the plan I purchased last time i visited
In the weights dot com website says my name is in many models for js and web perf and accessibility
The five of us standing in Bloomberg’s fancy tv studio
Me walking with a bunch of cows
Me and the guy and the book
A Google search for how many letter f are there in the word filibuster. Google ai says two but the correct answer is 1
I typed Ratoncito and it suggested Perez
A beautiful latte with amazing art
Chicken katsu curry
As espresso machine and hand grinder
Independent headline reads Wife of LA Clippers owner and billionaire Steve Ballmer steps in to help save the future of NPR with $80M gift
Me and Ashley and Nic and Rob
Semana Santa procession in Spain
Google Maps says “Gulf of Mexico(Gulf of America)”
St Paul’s from a window
Cloudflare London office
A Reddit alert at 12:36am that Trump is threatening to blow up all water desalination plants in Iran
Audio of my tiny dog snoring
A SpongeBob meme where a family, marked with a European Union flag is being shuffled away from a US flag to safety
Lavender flavored cheese that is actually blue!
A JSON file representing a source map. The code contains: { "version": 3, // Always the integer 3 "file": "out.js", // Optional: name of the generated file "sourceRoot": "", // Optional: prefix prepended to each entry in "sources" "sources": ["foo.js", "bar.js"], // Required: list of original source URLs/paths (or null) "sourcesContent": [null, null], // Optional: inlined source text, aligned with "sources" "names": ["src", "maps"], // Optional: symbol names referenced by "mappings" "mappings": "A,AAAB;;ABCDE", // Required: encoded mapping data (base64-VLQ deltas) "ignoreList": [0] // Optional: indexes into "sources" considered "third-party" }
Google stocks showing Block down 1% over the past month despite the huge layoff.
Now up to 14,972 tests passing which is 29.6%!
A JavaScript snippet showing that the apple emoji in a string is somehow less than the banana emoji in a string
A test suite now showing 27.3% of tests passing, was only 26.1% a few days ago!
Command line running a project called Rift. It seems to show test262 test coverage of a project which passes 26.1% of tests.
Clerk raises $50m in a Series C
My Spanish learning dashboard showing 14 hours this month, 8 weeks in a row of learning!
My dog peeking out from underneath the blanket
A job posting that says: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Figma stock showing it’s down 73.48% since IPO
it's happening gif
Cool pic of a bird
a google search result for "can i shower with airpods in?"
Star Wars quote “amazing. Every word of what you just said was wrong”
We may visit to check When our enforcement teams make contact with people who have claimed No Licence Needed they find, on average, that 1 in 14 people are breaking the law by watching TV illegally. If you're found to be watching TV illegally, you risk prosecution and a fine of up the £1000, plus any legal costs and/or compensation you may be ordered to pay*.
An email telling me I have to prove I don't use live TV and that they may VISIT to confirm.
Me messaging someone in slack with only the words “I personally feel”
This book is dedicated to my father, Carl Cagan. In 1969, he received the first PhD in computer science in the United States (prior to that computer science was part of electrical engineering programs), and he authored the first book on databases (Data Management Systems, in 1973, also by John Wiley & Sons).
Beautiful garden in Nikko Japan
Screenshot of HTML code containing a button element and a script where two string variables, a and b, are concatenated inside eval() to create a hidden addEventListener call that triggers an alert when the button is clicked.
JavaScript code that says: const START_HIDING = "startHiding - secret - don't use this - v1"; const STOP_HIDING = "stopHiding - secret - don't use this - v1";
BBC home page first story is the Trump Epstein email
A red switch with a big red sign above it that says “DO NOT SWITCH OFF”
My toby carvery plate
A roku stick
A freight train pulling through the overground station
The movie poster for everything everywhere all at all at once
Google Maps showing London central line. It says: what’s it like on board? And then just says crowded and too hot
A picture of a blue sky