access to clipboard from javascript code example

Example 1: javascript copy to clipboard

function copyToClipboard(text) {
  var input = document.body.appendChild(document.createElement("input"));
  input.value = text;
  input.focus();
  input.select();
  document.execCommand('copy');
  input.parentNode.removeChild(input);
}

Example 2: js copy to clipboard

function textToClipboard (text) {
    var dummy = document.createElement("textarea");
    document.body.appendChild(dummy);
    dummy.value = text;
    dummy.select();
    document.execCommand("copy");
    document.body.removeChild(dummy);
}