Callback after for-loop finishes in node.js

Question

I need some help with the asynchronous nature of node.js. I have a for loop, which collects data from the database. \"result\" is an array, which should then be returned to

Answer 1

With v1.5.2 of Async.js, It is each.

each(arr, iterator, [callback])

arr - An array to iterate over.
iterator(item, callback) - A function to apply to each item in arr.
callback(err) - Optional. A callback which is called when all iterator functions have finished, or an error occurs.