Jan van Hellemond
@jvhellemond.nl
📤 11
📥 15
📝 30
Man who sold the world and is currently chasing payment.
I bought another domain name:
doesthetrumpphoneexistyet.com
If the yanks fasc would still let me into the country for that, they certainly won't after this toot 😌 /ht
@dompreston.com
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Does the Trump phone exist yet?
No, it does not.
http://doesTheTrumpPhoneExistYet.com
19 days ago
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Jan van Hellemond
performance.now() conference
4 months ago
performance.now()
is coming! The night before the conference, 29th of October,
@mozilla.org
organises performance.sync(), the pre-meetup where you can meet your peers to mentally prepare for two days of information overload. They're also looking for a few people to present.
luma.com/ziykhh4y
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performance.sync() 2025 · Luma
performance.sync() is a meet-up taking place on the evening before the performance.now on Wednesday October 29th! We are looking for speakers! Submit your…
https://luma.com/ziykhh4y
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reposted by
Jan van Hellemond
performance.now() conference
4 months ago
performance.now()
is coming!
@adevnadia.bsky.social
will provide a deep dive into the new React Server Components. How does the app render in the browser? What are their performance implications? How do they compare to traditional SSR and CSR techniques?
perfnow.nl/speakers.htm...
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performance.now(); 30th and 31st of October, Amsterdam
On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.
https://perfnow.nl/speakers.html#nadia
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4 months ago
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Not knowing about Greek mythology is my Achilles' horse. —
www.reddit.com/r/meirl/comm...
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meow
you, me, us, irl, reddit style
https://www.reddit.com/r/meirl/
9 months ago
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TIL multipart/mixed HTTP requests can be faked in
#JavaScript
(well, fetch) by: - Creating a FormData object with an entry named "file"; - Creating a request without a content type header; - Setting the FormData object as the request body; - ... 1/2
9 months ago
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For the benefit of any Americans here:
en.wikipedia.org/wiki/Other_P...
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Other People - Wikipedia
https://en.wikipedia.org/wiki/Other_People
10 months ago
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#CSS
' text-box-trim is a game changer. That is all.
10 months ago
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If there is anything I have learned in all my years, decades even, of writing
#JavaScript
, it is that undefined is not a function.
10 months ago
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I just typed this
#JS
: `path.to.object.optionalMethod?.();` Optionally chaining a function call. Nice, but I need to get used to that syntax 😅
10 months ago
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reposted by
Jan van Hellemond
CSS Day
11 months ago
Earlier today
#cssday
2025 ticket sales opened. The going is brisk; early birds will likely sell out today.
cssday.nl/tickets.html
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CSS Day 2025, 5th & 6th of June, Amsterdam
CSS Day is the conference for CSS designers, developers, spec writers, and browser vendors.
https://cssday.nl/tickets.html
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Hey gurl, what's your XPathResult.resultType? 😻
11 months ago
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So I follow
@joost.blog
on here for a bit of drama, but jeez… 😅
12 months ago
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#teamnessa
about 1 year ago
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TIL that pattern validation does not work for <textarea>'s. —
developer.mozilla.org/en-US/docs/W...
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<textarea>: The Textarea element - HTML: HyperText Markup Language | MDN
The <textarea> HTML element represents a multi-line plain-text editing control, useful when you want to allow users to enter a sizeable amount of free-form text, for example a comment on a review or f...
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/textarea
about 1 year ago
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@roy.io
👋 Hoe was Toronto voor jullie. Toch wel het tapijt herbruikt hè? 😌
about 1 year ago
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And we’re off…
about 1 year ago
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