小程序能不能将计时用的时间显示的页面上，不随页滚动？

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小程序能不能将计时用的时间显示的页面上，不随页滚动？Can the applet display the time used for timing on the page without scrolling with the page?

Can the small program display the timing time on the page without scrolling with the page? How to do it? Which kind person provides a reference example.

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