function download(url, name) {
    name = name || 'file'
    var link = document.createElement('a');
    link.setAttribute('download', name);
    link.href = url;
    link.onclick = function () {
        document.body.removeChild(this);
    };
    link.style.display = 'none';
    document.body.appendChild(link);
    link.click();
}