var xhr = new XMLHttpRequest;
var test3 = x => new Promise(ok => {
    xhr.open("HEAD", x[0], true);
    xhr.onload = () => ok([ x[1], xhr.status, xhr.getResponseHeader("Content-Length") - 0, x[0] ]);
    xhr.send();
});

var arr = top[0].find.rows.filter(x => x.clips[0] && x.jieguo == "goal").map(x => [ top.oss + x.clips[0].path, x.keytime ]);
var brr = new Array;
for(var x of arr) console.log(brr.push(await test3(x)));
brr.sort((a, b) => a[2] - b[2]);
console.log(brr.slice(0, 5));