javascript how do i copy to the clipboard in javascript

1// Since Async Clipboard API is not supported for all browser!
2function copyTextToClipboard(text) {
3  var textArea = document.createElement("textarea");
4  textArea.value = text
5  document.body.appendChild(textArea);
6  textArea.focus();
7  textArea.select();
8
9  try {
10    var successful = document.execCommand('copy');
11    var msg = successful ? 'successful' : 'unsuccessful';
12    console.log('Copying text command was ' + msg);
13  } catch (err) {
14    console.log('Oops, unable to copy');
15  }
16
17  document.body.removeChild(textArea);
18}

1function copyToClipboard(text) {
2  var input = document.body.appendChild(document.createElement("input"));
3  input.value = text;
4  input.focus();
5  input.select();
6  document.execCommand('copy');
7  input.parentNode.removeChild(input);
8}