List vk audios on page

listvkaudios.js

function saveFile(filename, data) {
    var blob = new Blob([data], {type:'text/plain'});
    var saveLink = document.createElement("a");
    saveLink.download = filename;
    saveLink.innerHTML = "Save file";
    if (window.webkitURL != null) {
        saveLink.href = window.webkitURL.createObjectURL(blob);
    } else {
        saveLink.href = window.URL.createObjectURL(blob);
        saveLink.onclick = destroyClickedElement;
        saveLink.style.display = "none";
        document.body.appendChild(saveLink);
    }
    saveLink.click();
}
 
function destroyClickedElement(event) {
    document.body.removeChild(event.target);
}

var inputs = document.getElementsByTagName('input'); 
var out = '';
for(var i = 0; i < inputs.length; i++) { 
    if (inputs[i].type.toLowerCase() == 'hidden') 
         out += '\n' + inputs[i].value;
}

saveFile("list.txt", out);

listvkaudios.min.js

function saveFile(e,t){var n=new Blob([t],{type:"text/plain"}),i=document.createElement("a");i.download=e,i.innerHTML="Save file",null!=window.webkitURL?i.href=window.webkitURL.createObjectURL(n):(i.href=window.URL.createObjectURL(n),i.onclick=destroyClickedElement,i.style.display="none",document.body.appendChild(i)),i.click()}function destroyClickedElement(e){document.body.removeChild(e.target)}for(var inputs=document.getElementsByTagName("input"),out="",i=0;i<inputs.length;i++)"hidden"==inputs[i].type.toLowerCase()&&(out+="\n"+inputs[i].value);saveFile("list.txt",out);