const copyToClipboard = str => {
                    const el = document.createElement('textarea');  // Create a <textarea> element
                    el.value = str;                                 // Set its value to the string that you want copied
                    el.setAttribute('readonly', '');                // Make it readonly to be tamper-proof
                    el.style.position = 'absolute';
                    el.style.left = '-9999px';                      // Move outside the screen to make it invisible
                    document.body.appendChild(el);                  // Append the <textarea> element to the HTML document
                    const selected =
                        document.getSelection().rangeCount > 0        // Check if there is any content selected previously
                            ? document.getSelection().getRangeAt(0)     // Store selection if found
                            : false;                                    // Mark as false to know no selection existed before
                    el.select();                                    // Select the <textarea> content
                    document.execCommand('copy');                   // Copy - only works as a result of a user action (e.g. click events)
                    document.body.removeChild(el);                  // Remove the <textarea> element
                    if (selected) {                                 // If a selection existed before copying
                        document.getSelection().removeAllRanges();    // Unselect everything on the HTML document
                        document.getSelection().addRange(selected);   // Restore the original selection
                    }
                    alert('Enlace copiado en el portapapeles');
                };