Stop the browser “throbber of doom” while loading comet/server push iframe
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: When using Comet, or Ajax Long Pull techniques - an iframe is usually used. And while that iframe is waiting for the long connection to close, the browser is spinning its throbber (the progress/loading indicator). Some websites, for example etherpad.com, managed to make it stop. How do they do it? 回答1: After digging for a day and a night in the guts of the internets, here is what I came up with: server-sent events - Very cool, currently works only in Opera, but may be part of HTML5 and other browsers may support it sometime. Adds a new