'JavaScript - Prevent cut and paste by drag and drop

I want to prevent the following behavior on a contenteditable div, because it messes with the structure if the div contains any other elements but text nodes.

enter image description here

I have tried the obvious:

  1. Setting draggable="false" on the div
  2. Calling preventDefault on the dragstart and drop events (event listeners also on the div)

However, this does not seem to work and I want to allow regular pasting, so disabling that is not an option.

Any help would be much appreciated. Thanks!

javascripthtmldrag-and-dropcopy-pastecontenteditable


Solution 1:[1]

preventDefault on ondragover should prevent this behaviour.

https://www.w3schools.com/jsref/event_ondragover.asp

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Source: Stack Overflow

Solution Source
Solution 1 user17255676

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