mongoose await on save code example

Example 1: mongoose save method

var Tank = mongoose.model('Tank', yourSchema);

var small = new Tank({ size: 'small' });
small.save(function (err) {
  if (err) return handleError(err);
  // saved!
});

// or

Tank.create({ size: 'small' }, function (err, small) {
  if (err) return handleError(err);
  // saved!
});

// or, for inserting large batches of documents
Tank.insertMany([{ size: 'small' }], function(err) {

});

Example 2: mongoose await save

try {
  const newUser = new User({
    'email': req.body.email,
    'name': req.body.name
  });
  console.log('before save');
  let saveUser = await newUser.save(); //when fail its goes to catch
  console.log(saveUser); //when success it print.
  console.log('after save');
} catch (err) {
  console.log('err' + err);
  res.status(500).send(err);
}