Feature: Allow deep copy

[cyber-sec0]

Expected Behavior

clipboardcopy has a deep copy option, it lets copy .innerText elements bold/italic/images etc.

Actual Behavior

It doesn't exist.

Script

  let elem=document.querySelector("#source"); 
  let range=document.createRange(); 
  range.selectNode(elem); 
  window.getSelection().removeAllRanges(); 
  window.getSelection().addRange(range); 
  document.execCommand("copy"); 
  window.getSelection().removeAllRanges();