node call async in foreach await all code example

Example 1: foreach async typescript

for (const file of files) {
    const contents = await fs.readFile(file, 'utf8');
    console.log(contents);
  }

Example 2: async foreach

[1, 2, 3].forEach(async (num) => {  await waitFor(50);  console.log(num);});console.log('Done');