
Hi @Anon Dev ,
If you don't need to use this feature in Edge, you can disable this menu via specific setting in Edge.
Just navigate to edge://settings/appearance
, scroll down the page to the Context menus section and disable "Show mini menu when selecting text"
In addition, you can disable this feature on specific sites, depending on your needs.
Also, you could use window.onmouseup = event => event.preventDefault();
to customize the behavior of the mouse events.
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Best Regards,
Wenying Lu