Interesting differences between how Firefox/Chromium handle split surrogates, non-characters, and null in textarea.pic.twitter.com/xLOZ0mMiH3
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Running this in the DevTools (Chrome/Opera) console breaks it: decodeURIComponent(str) …where `str` is a raw U+FFFF symbol
Hmm. Weird. Works in FF/Chrome/Node fine: decodeURIComponent('%EF%BF%BF') Also works with document.location.hash and #%EF%BF%BF
Ahh, okay. It can't be escaped at all. Not even \u. Looks like a legitimate deviation. So who is right?pic.twitter.com/p7DDn5diKC
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