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the problem of user-select with page scroll in IOS

2018-11-08 06:24 SummerXia imported from Stackoverflow

when I longpress in the page,there will be a text copy frame in the page, but when I scroll the page, the frame always in place and don't move or disappear,just occured in IOS, andriod is well.please help me to fix it.thank you.

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