최근 문서 활동
전체 활동 보기페이지 | 날짜 | 댓글 |
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File |
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beforeunload |
IE[9] will display a prompt with an empty string if `e.returnValue` is assigned an empty string, but Chrome [43] treats empty strings as void and will not prompt. | |
Window.prompt() |
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Window.confirm() |