const dom_lmmtfy = document.getElementById("lmmtfy_url");
const dom_copy   = document.getElementById("lmmtfy_copy");

dom_copy.onclick = lmmtfy_copy;

function lmmtfy_copy()
{
    dom_lmmtfy.focus();
    dom_lmmtfy.select();

    try
    {
        // TODO: deprecated -- https://developer.mozilla.org/en-US/docs/Web/API/Document/execCommand
        if(document.execCommand('copy'))
            dom_copy.innerHTML = "Copied!"

        setTimeout(() =>
        {
            dom_copy.innerHTML = "Copy"
        }, 3000);

    }
    catch(err)
    {
        dom_copy.innerHTML = "Error :(";
        console.log('Oops, unable to copy');
    }

    // This unfocuses the element, but W3C decided to be funny with
    // the naming.
    document.activeElement.blur();
}