Difference between visibility hidden vs display none

I spent almost an entire day on this, so wanted to share the information in case it might be helpful for others. We at times need to remove a DOM object (textbox/ label/ dropdown etc) from the UI. For which we use two things object.style.visibility=”hidden” and object.style.display=”none”. Though both of them can remove the object from UI, yet there is a significant difference between these two approaches. Whereas visibility hidden will “hide” the object, it will still leave the object on the UI (in hidden format). On the other hand display=”none” will completely remove the object from UI.

The differentiation is more important in a case, where the css being used here does not specify the x and y coordinates for DOM objects, it instead places one object after another. So the trick here is, if I make an object invisible by hiding it (visibility=”hidden”), it will still occupy that one space in the flow, and a blank cell will appear on the screen. Whereas if display is none, then the next object will take place of this object and hence no empty spaces are shown on the screen.

So both the approaches can be used as per ones requirement

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