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C# Collection for "most recently used" I would suggest a LinkedList collection. The LinkedList holds references to the first and last node in the list 阅读全文
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Keep timer (setInterval) running while reloading page When you reload a page, the entire page context including all running JS is completely destroyed 阅读全文
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Is there a way to detect if a browser window is not currently active? I have JavaScript that is doing activity periodically. When the user is not look 阅读全文
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jQuery idleTimer Plugin 这篇文章里面提到的插件，https://github.com/ehynds/jquery-idle-timeout 这个好像没人维护了 Detecting if the user is idle with JavaScript and YUI 3 Po 阅读全文