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yyj-dev

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filter: invert(1) is not dark mode, and a PDF page is not a picture
yyj profile

filter: invert(1) is not dark mode, and a PDF page is not a picture

#javascript #webdev #pdf #graphics
2
Comments 1
6 min read
The Pokédex Is 2.4MB. My Users Never Download It.
yyj profile

The Pokédex Is 2.4MB. My Users Never Download It.

#webdev #javascript #nextjs #performance
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5 min read
The Color Math Was Never the Slow Part
yyj profile

The Color Math Was Never the Slow Part

#showdev #javascript #webdev #performance
2
Comments 1
6 min read
One React Component, Three Display Technologies — Flip Cards, Pixel LEDs, and Seven-Segment Digits in Pure CSS
yyj profile

One React Component, Three Display Technologies — Flip Cards, Pixel LEDs, and Seven-Segment Digits in Pure CSS

#frontend #webdev #css #react
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5 min read
What Western Devs Need to Know Before Visiting China in 2026: Alipay, WeChat Pay & the Mobile Web
yyj profile

What Western Devs Need to Know Before Visiting China in 2026: Alipay, WeChat Pay & the Mobile Web

#travel #lifestyle #webdev #productivity
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4 min read
I built PDF Dark — convert any PDF to true dark mode, 100% in your browser
yyj profile

I built PDF Dark — convert any PDF to true dark mode, 100% in your browser

#javascript
1
Comments
2 min read
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