That's not a reason, it's a flimsy excuse to avoid implementing a non-trivial feature. The fact that there are non-JS ways to pollute the clipboard does not mea

That's not a reason, it's a flimsy excuse to avoid implementing a non-trivial feature. The fact that there are non-JS ways to pollute the clipboard does not mean it's pointless to protect the user from JS based clipboard abuse. The fact that some web apps have legitimate use cases for augmenting copied data does not mean the browser should default to providing that functionality to every page.