To stop copy paste on forum site just use this code to <head> section. This code works perfectly and fine.
<script> |
| document.addEventListener("contextmenu", function (e){ |
| e.preventDefault(); |
| }, false); |
| document.onkeydown = function (e) { |
| e = e || window.event; //Get event |
| if (e.ctrlKey) { |
| var c = e.which || e.keyCode; //Get key code |
| switch (c) { |
| case 83: |
| case 87: |
| case 73: |
| case 67: |
| e.preventDefault(); |
| e.stopPropagation(); |
| break; |
| } |
| } |
| }; |
| </script> |