360 Degree Panorama Image view using Javascript

Hi, I need make 360 Degree Panorama Image view using Javascript. I need add hotspots in some area in image. i need set hotspots drag & drop in any place on Panorama image.

Example Url
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https://3dbuilder.initux.com/viewer/house

Video
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https://www.youtube.com/watch?v=5Pq49-KbKEw