File API: What browsers support the slice method?

What开发者_开发知识库 is the current support for the slice method?Currently Chrome 6+, FF 4+:

Multiple upload in Gecko/WebKit: allow removal from list before upload

I\'m trying to use the new multiple=\"multiple\" attribute allowable onelements. So far this is supported by recent Gecko and WebKit browsers. I\'m testing on Firefox 3.6 and Chrome 5.0.

中央电视机台共有多少套节目？分别是指什么节目？？