// Why did await not wait?
// Teaching excerpts; see the explanation and boundaries on the episode page.

// Need an order? Wait after each file.
for (const file of files) {
  await upload(file);
}
show("Upload complete");

// Independent files? Wait for the group.
await Promise.all(
  files.map(file => upload(file))
);
show("Upload complete");

// Failure is not completion.
try {
  await uploadAll(files);
  show("Upload complete");
} catch {
  show("Upload failed");
}