JSFiddle - React, Tailwind, and code Playground

HTML

<div id=d1 onclick='copypaste("d1")'>Text1</div>
<div id=d2 onclick='copypaste("d2")'>blablabla2</div>
<div id=d3 onclick='copypaste("d3")'>12345678</div>
<div id=d4 onclick='copypaste("d4")'>Hello Kitty</div>
<div id=d5 onclick='copypaste("d5")'>The Saboteur</div>

JavaScript

myContent=""
function copypaste (myDiv){
  if (myContent == "") {
    myContent=document.getElementById(myDiv).innerHTML;
  }
  else {
    document.getElementById(myDiv).innerHTML=myContent;
    myContent="";
  }
}