how to make a copy to clipboard a code example

Example 1: 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);
}

Example 2: javascript copy to clipboard

$(document).ready(function(){
	$("#ewefmwefmp").click(function(){
    //alert()
      var copyText = document.getElementById("myInput");
      copyText.select();
      copyText.setSelectionRange(0, 99999)
      document.execCommand("copy");
      alert("Copied the text: " + copyText.value);
    
    });
});