喜 些操作是时间昂贵并且需要在等待他们完成时间长。 有时超时。 我想使用的实时进度条，所以我想显示状态给用户，也是我想prevent超时。哪些技术，我必须使用？ JS，阿贾克斯，多线程或两者兼而有之？我怎么能iplement呢？ 请指点。

我们有一些类似的问题。请编辑您的问题告诉我们，正是你所需要的。

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hi Some operations are time costly and it takes long time while waiting them to finish. Sometimes timeout occurs. I want to use a real time progress bar, so I want to show the status to the user and also I want to prevent timeout. Which technologies must I use? JS, Ajax, multithread or both? and how can I iplement this? Please advice.

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