“a"和“a"之间的区别和“a:link"
a 和 a:link 有什么区别，什么时候使用一个而不是另一个?
What is the difference between a and a:link, and when do I use one over the other?
推荐答案
a:link 专门针对未访问过的链接.a 适用于所有 <a> 元素.
a:link is specifically for links that have not been visited. a applies to all <a> elements.
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