Facebook 之类的状态输入
是否有现成的类似 Facebook 中状态输入的输入？ 我的意思是，他们使用了一个 contenteditable div，并且他们把它包装得很好。他们可以调整它的大小（在焦点/模糊时），它会继续自动换行和扩展，当您在他们的输入中键入一个非常长的单词时，该单词无法换行，它会保留在 div 内并且不会与其他内容重叠它附近的元素..
请帮助我在 contenteditable div 上做这两件事，或者如果您知道现成的，请分享。
谢谢。
PS我确实尝试自己做，而不仅仅是懒惰。我几乎成功地阻止了重叠，但在调整高度大小后未能使 div 保持内容可编辑（自动换行、可扩展）。我也想过尝试了解 Facebook 自己是如何做到这一点的，但对于新手来说很难理解他们的代码，因为它们都是缩小的、压缩的等等。
Is there a ready similar input like the status input in Facebook?
I mean, they use a contenteditable div, and they've wrapped it all pretty good. They can resize it (on focus/blur), an it continues word-wrapping and expanding, and when you type a really long word in their input, which can't be wrapped, it stays inside the div and doesn't overlap other elements near it..
Please help me doing those two things on a contenteditable div, or if you know of a ready one, please share.
Thanks.
P.S. I did try doing it myself an not just being lazy. I almost succeeded in stopping the overlap, but didn't manage to make the div stay contenteditable(word-wrap, expandable) after a height resize. I also thought of trying to understand how Facebook do it by myself, but it's pretty hard for a newbie to understand their code as it's all minified and gzipped and whatnot.
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他们（Facebook）似乎正在使用这个 CSS
They (Facebook) seem to be using this CSS