How to copy string value to clipboard using javascript

This method can use to Copy string data to copy clip board using JavaScript Exsample

  

$('#btn).click(function(){
copyToClipboard("Hello World");
)

function copyToClipboard(data) {
    var $temp = $("");
    $("body").append($temp);
    $temp.val(data).select();
    document.execCommand("copy");
    $temp.remove();
  }

dependency Jquery