optionkeyup폰에서 안되서 change event 필요함 CSS CSS Solves Auto-Expanding Textareas (Probably, Eventually) - Chris CoyierI’ll cut to the chase before I type too many more words: I came across it via an Amit Merchant blog post. Then followed the thread a little. It all started with a discussion, as these things tend to in this modern world. I think it’s a super weird name choice, but I’m sure if […]https://chriscoyier.net/2023/09/29/css-solves-auto-expanding-textareas-probably-eventuallyDocument: keyup eventThe keyup event is fired when a key is released. The and keyup events provide a code indicating which key is pressed, while indicates which character was entered. For example, a lowercase "a" will be reported as 65 by keydown and keyup, but as 97 by keypress.https://developer.mozilla.org/en-US/docs/Web/API/Document/keyup_event
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