How can I write text that the clipboard sees but isn't visible?

问题

Until recently I'd been using style=display:none on an image to do this with its alt text. That method is no longer working, so what can I do?

回答1:

<span style="font-size: 0;">i should still be copied</span>

jsFiddle.

回答2:

/* Fully transparent text */
color:rgba(0,0,0,0)

来源：https://stackoverflow.com/questions/5838917/how-can-i-write-text-that-the-clipboard-sees-but-isnt-visible