Remote and Local Files   Reference

Remote file

function fileSelect() {
    fetch(remote.value).then(r => r.blob())
    .then(checkFiles)
}
function checkFiles(b) {
    let a = [...local.files]
    for(let file of a)
    {
        out.innerText += file.name+","
    }
    let c = 0
    let k = remote.value.split("/");
    let remoteFileName = k[k.length-1];
    let resultText1 = "\n\n"+ a.length + 
    ' items checked ' + remoteFileName+' is the same as ';
    let resultText2 = "\n\n"+a.length + 
    'items checked and  all files are different';
    a.map(f=>
    {
        if((b.type == f.type) && (b.size == f.size))
        {
            c++;
            resultText1+= f.name + ", "
        }
    })
    if(c>0)
    {
        out.innerText += resultText1;
    }
    else
    {
        out.innerText += resultText2;
    }
}