Update copyToClipboard.md

snippets/copyToClipboard.md

@@ -11,6 +11,8 @@ const copyToClipboard = str => {
   const el = document.createElement('textarea');
   el.value = str;
   el.setAttribute('readonly', '');
+  el.style.position = 'absolute';
+  el.style.left = '-9999px';
   document.body.appendChild(el);
   el.select();
   document.execCommand('copy');