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this post was submitted on 26 Jun 2024
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Flash was magnitudes worse than the risk of JS today, it's not even close.
Accessibility is orthogonal to JavaScript if the site is being built to modern standards.
Unfortunately preference is not reality, the modern web uses JavaScript, no script is not an effective enough solution.
Well, by that measure, you don't need JavaScript to make inaccessible sites, there are plenty of sites out there that ruin accessibility with just HTML and CSS alone.
It's always up to the developer to make sure the site is accessible. At least now it seems to be something that increasingly matters to search result rankings
Flash ran as a browser plugin (as in not an extension, but a native binary that is installed into the OS and runs beside the browser, we basically don't do this for anything now)
Flash was pretty much on weekly security bulletins in the final years, arbitrary code execution and privilege escalation exploits were common, that's why Adobe killed it.
Flash was never safe and comparing JavaScript to it as a greater risk shows you've not fully understood the threat model of at least one of the two.
That's literally the one main somewhat valid use case for plugins, and it's basically because of DRM. A plugin that allows arbitrary code to run is a security nightmare, that's why we don't do it anymore.
A lot of the security features you describe were added by browser vendors late in the game because of how much of a security nightmare flash was. I was building web software back when this was all happening, I know first hand. People actually got pissy when browsers blocked the ability for flash to run without consent and access things like the clipboard. I even seem to remember a hacky way of getting at the filesystem in flash via using the file upload mechanism, but I can't remember the specifics as this was obviously getting close to two decades ago now.
Your legitimate concerns about JavaScript are blockable by the browser.
Flash was a big component of something called the evercookie—one of the things that led to stuff like GDPR because of how permanently trackable it made people. Modern JavaScript tracking is (quite rightfully) incredibly limited compared to what was possible with flash around. You could track users between browsers FFS.
You're starting to look like you don't know what you're talking about here.
Mate, actionscript was not only basically JavaScript with adobe vendor extensions, but it was literally a programming language! If that's not arbitrary code, then you've got a crazy definition of what is! You've kinda unequivocally demonstrated that you have no idea what you're talking about at this point, I'm afraid.
And way to completely misunderstand the evercookie. The flash part was how it could jump between browsers, no browser cookie can do that. It was a combination of everything that made it such a problem.
ECMAscript is based on JavaScript
I'm not gonna bother entertaining the rest of your post, you can't seem to even get the basics right