改变访问过的链接的颜色。
改变访问过的链接颜色有助于用户在网站中定位，确保他们不会不经意地访问同一页面两次。
Clicked links that change color help the user to locate himself more easily around your site, making sure that he will not end up visiting the same pages unintentionally.
所有的定位点元素文本都有一个不同的蓝色阴影，这取决于链接是否访问过。
All anchor element text will have a different shade of blue depending whether the link was visited or not.
Web浏览器需要跟踪超链接、建立访问过的页面的历史记录，允许用户回到访问过的页面。
Web browsing relies heavily on following hyperlinks, building a history of visited pages, and allowing users to retreat to previously visited pages.
如果你曾经访问过ScriptMafia这样的文件共享网站，你一定见过人们如何为你提供免费下载和其他替代下载镜像的多个链接。
If you have ever visited document sharing websites such as Script Mafia, you must have seen how people offer you free downloads and others queue up with alternative download mirrors.
可以通过编程来实现浏览过的链接使之改变颜色，以提醒用户已经访问过哪些地方。
Remind users where they've been by programming links to change color after being visited.
通过编程实现的在浏览后改变颜色的链接提醒用户已经访问过哪些地方。
Remind users where they'vebeen by programming links to change color after being visited.
通过编程实现的在浏览后改变颜色的链接提醒用户已经访问过哪些地方。
Remind users where they'vebeen by programming links to change color after being visited.
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