https://yukitacreative.com/wp-content/plugins/paddlepay/assets/js/frontend.js

1function pwpcCopyLicense(btn) {
2    var key = btn.getAttribute('data-key');
3    if (!key) return;
4
5    if (!navigator.clipboard) {
6        // Fallback
7        var textArea = document.createElement("textarea");
8        textArea.value = key;
9        document.body.appendChild(textArea);
10        textArea.select();
11        document.execCommand("Copy");
12        textArea.remove();
13        pwpcShowCopied(btn);
14        return;
15    }
16    navigator.clipboard.writeText(key).then(function() {
17        pwpcShowCopied(btn);
18    }, function(err) {
19        console.error('Could not copy text: ', err);
20    });
21}
22
23function pwpcShowCopied(btn) {
24    var originalHtml = btn.innerHTML;
25    var textSpan = btn.querySelector('.pwpc-btn-text');
26    
27    btn.classList.add('copied');
28    if(textSpan) textSpan.innerText = 'Copied!';
29    
30    setTimeout(function() {
31        btn.classList.remove('copied');
32        btn.innerHTML = originalHtml;
33    }, 2000);
34}