try/catch async

try.js

'use strict';

var fs = require('fs');

fs.writeFileSync('testtry.txt', 'just a test file');

try{
  fs.readFile('testtry.txt', function() {
    throw new Error();
  });
} catch(err) {
  console.log('!!!!!!!!!!!!!!!!!! I CAUGHT IT !!!!!!!!!!!!!!!!!!!');
}