Answers for "how to copy text to clipboard of tag p in javascript"

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);
}

js copy span text to clipboard

document.getElementById("cp_btn").addEventListener("click", copy_password);

function copy_password() {
    var copyText = document.getElementById("pwd_spn");
    var textArea = document.createElement("textarea");
    textArea.value = copyText.textContent;
    document.body.appendChild(textArea);
    textArea.select();
    document.execCommand("Copy");
    textArea.remove();
}