Run a large batch of async tasks separated

run_async.js

var complete = {}, completed = 0;

var i, thread = 23, total = 179, max = (total / thread | 0) + 1;

function startCount(idx, max) {
    if (completed >= total) {
        console.log("completed = " + completed);
        console.log(complete);
        return ;
    } else if (idx === max || idx >= total) {
        console.log("idx = " + idx + ", max = " + max);
        console.log(complete);
        return ;
    }

    setTimeout(function() {
        complete[idx] = true;
        completed++;
        
        console.log(idx + " done, completed " + completed);
        
        startCount(idx + 1, max);
    }, (Math.random() * 100) | 0);
}

console.log("thread = " + thread + ", max = " + max);

for (i = 0; i < thread; i++) {
   console.log("start " + (max * i) + " to " + (max * (i + 1)));
   startCount(max * i, max * (i + 1));
}