<script> function myFunction() { var copyText = document.getElementById("myInput"); copyText.select(); copyText.setSelectionRange(0, 99999) document.execCommand("copy"); alert("Copied the text: " + copyText.value); } </script> code example

Example: javascript text to clipboard

function copyToClipboard(text) {
   const elem = document.createElement('textarea');
   elem.value = text;
   document.body.appendChild(elem);
   elem.select();
   document.execCommand('copy');
   document.body.removeChild(elem);
}