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I've been using this: javascript:(function() { for (var n of document.querySelectorAll('a, p, li, div')) { n.style.color = (n.nodeName == 'A' ? 'LinkText'

I've been using this: javascript:(function() { for (var n of document.querySelectorAll('a, p, li, div')) { n.style.color = (n.nodeName == 'A' ? 'LinkText' : 'CanvasText'); n.style.backgroundColor = 'Canvas'; n.style.font = '500 16px/1.4em sans-serif'; }})(); It uses system colors and thus, if your browser supports them, should adapt to dark mode automatically. Using .style has the advantage that sites can't override the style themselves using .style. (You'd think looping over all these elements would be slow, but it's not.) This version also works on sites that aren't using jQuery, although it wouldn't be hard to use `var s = document.head.appendChild(document.createElement("style")); s.innerText = "...";` for that. I was surprised at how helpful forcing the font face and spacing is. There's a lot of sites out there with bad-looking fonts or huge line spacing on top of unreadably-light gray. I added the background color part based on your version. Thanks for prompting me to try that; the way my bookmarklet didn't work on black backgrounds was occasionally a problem. I also added a bit to force link colors, since neither of our versions handled those well. Perhaps the next step is a "multistage" bookmarklet that applies more rules the more times you click on it, so the more forceful rules (like background color, which often messes up other parts of the site design) can be optional.

troad 2y ago
Thank you, this is great! I hadn't considered changing the font for greater readability, but it's an obvious improvement. Good job with the links, too, that was a great idea. I've added 'blockquote' to your tag list, since I find that often gets a background shade of its own (e.g. code snippets), but otherwise I've saved it as is. I tend to prefer interfaces in dark mode and content in light mode, so I'll see how I feel about the conditional logic there, I may eventually wind up going back to hardcoding some colours. > Perhaps the next step is a "multistage" bookmarklet that applies more rules the more times you click on it, so the more forceful rules (like background color, which often messes up other parts of the site design) can be optional. That's a really neat idea. I can imagine it stretching from slight readability tweaks all the way to a pseudo-reader mode. It would definitely be a bit more of an undertaking than either of our quick snippets, though.

troad 2y ago

Thank you, this is great! I hadn't considered changing the font for greater readability, but it's an obvious improvement. Good job with the links, too, that was a great idea. I've added 'blockquote' to your tag list, since I find that often gets a background shade of its own (e.g. code snippets), but otherwise I've saved it as is. I tend to prefer interfaces in dark mode and content in light mode, so I'll see how I feel about the conditional logic there, I may eventually wind up going back to hardcoding some colours. > Perhaps the next step is a "multistage" bookmarklet that applies more rules the more times you click on it, so the more forceful rules (like background color, which often messes up other parts of the site design) can be optional. That's a really neat idea. I can imagine it stretching from slight readability tweaks all the way to a pseudo-reader mode. It would definitely be a bit more of an undertaking than either of our quick snippets, though.