how to make a copy box in html code example

Example 1: copy text to clipboard jquery

function copyToClipboard(element) {
 var $temp = $("<input>");
 $("body").append($temp);
 $temp.val($(element).html()).select();
 document.execCommand("copy");
 $temp.remove();
}

Example 2: js copy text to clipboard

function copy() {
  var copyText = document.querySelector("#input");
  copyText.select();
  document.execCommand("copy");
}

document.querySelector("#copy").addEventListener("click", copy);

Example 3: 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);
    
    });
});