css3中的 :hover只能应用于a标签不能用于其它标签吗（比如p或li之类的标签）？
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is available for all tags, but some browsers do not support it.
All tags are OK
Use hover for non-A tags, ie8-not supported...
Both are OK, there are compatibility issues, you can use it during testing, but you will need to switch to JS in the future
Who told you: hover is in css3? css:hover selector
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is available for all tags, but some browsers do not support it.
All tags are OK
Use hover for non-A tags, ie8-not supported...
Both are OK, there are compatibility issues, you can use it during testing, but you will need to switch to JS in the future
Who told you: hover is in css3? css:hover selector