Image change effect like manual shutter?

Question

css

The crux of the issue is in the title. How to do it?)
link where it is implemented. news.ngs.ru/articles/50152691
Screenshot

Answer 1

Here is the plugin used to create this effect: twentytwenty

Answer 2

https://www.google.ru/search?q=jquery+before+after...

Answer 3

And here you can publish like "make for money"? :)
The task is to make sure that people do not pull the slide when hovering over the arrows or the line, but so that it is automatic when hovering over the image. Those. as soon as the cursor is on the image area, then when the mouse moves, the curtain strip moves to the right or left. ready to pay)
I think the task is not difficult for specialists :) the solution is taken from zurb.com/playground/twentytwenty

Answer 4

https://juxtapose.knightlab.com/#make - will be before and after with a curtain
DropBox only needed