请问if(window.clipboardData){ } 是表示 如果window.clipboardData 为"true"吗?

请问if(window.clipboardData){ } 是表示 如果window.clipboardData 为true吗? window WINDOW if(window.parent != window){ window.parent.location.reload(true); } 这个怎么理解,什么意思,不懂啊 would you mind my opening the window?（我知道可以用if i open the window,想知有没有此用请问为什么不用me 而用my呢？是不是表示“open the window”此动作是属于“me”所以用所有格？ Would you mind opening the window?用英语翻译.是不是：Would you mind if I open the window? Could I open the window now?(同义句） A.would you mind my opening the window now?B.would you mind if Ipening the window now? A：Would you mind if I open the window?B：____________a.Yes,go ahead;b.Not at all;c.Well,let me see;d.That is not right请问此题是考什么知识点的,选择哪一个,为什么不能选择a? Would you mind if I opened the window?中open为什么要用过去式?Do you mind if I open the window?中为什么open用原形? If you brreak this window you will have to pay for it.翻译 Would you mind if I open the window?改为简单句（共7个单词） Would you mind （ ）I open the window?A.whether B.if说明理由 翻译“Open the window to let in fresh air if it ispossible” Do you mind __I open the window?A if B that 选哪个,原因是? If you broke this window,you ____(have to)pay for it.求原因 If you broke this window,you would have to pay for it.结果是打破了吗? If I had remembered （ ） the window,the thief would not If I had remembered （ ） the window,the thief would not have got in.