[OpenLayers-Users] reset position of the popup in openlayers

[maven apache]

Hi:

Is it possible to reset the position of the popup?

In my application,after I query some points from the server,I want to
create maker one for each.

When user click the marker,the popup should displayed,and I want there is
only one popup instance in the application.

In google map,I can use the infowindow.setPosition() to reset the position.

But in openlayers,I have not found that.

Is that possible?
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