# Handling Asynchronism with Promises

DevFeed: [Handling Asynchronism with Promises](<https://devfeed.tech/articles/handling-asynchronism-with-promises-29150.md>)

Original publisher: [Read original article](<http://tech.zumba.com/2013/11/06/handling-asynchronism-with-promises//>)

Author: Chris Saylor (christopher.saylor@zumba.com)

Published: 2013-11-06T00:00:00Z

Content type: article

Language: en

Sources: [Zumba](<https://devfeed.tech/sources/zumba.md>)

Topics: [async](<https://devfeed.tech/topics/async.md>), [Node.js](<https://devfeed.tech/topics/node-js.md>), [Library](<https://devfeed.tech/topics/library.md>), [MongoDB](<https://devfeed.tech/topics/mongodb.md>)

Tags: [async](<https://devfeed.tech/tags/async.md>), [blocking](<https://devfeed.tech/tags/blocking.md>), [handling](<https://devfeed.tech/tags/handling.md>), [library](<https://devfeed.tech/tags/library.md>), [list](<https://devfeed.tech/tags/list.md>), [mongodb](<https://devfeed.tech/tags/mongodb.md>), [node](<https://devfeed.tech/tags/node.md>), [node-js](<https://devfeed.tech/tags/node-js.md>), [using](<https://devfeed.tech/tags/using.md>)

## AI overview

The article describes using the async library in Node.js to combine multiple MongoDB aggregation queries into one list without blocking the event queue.

## Source excerpt

Using the async library in Node.js for combining multiple MongoDB aggregation queries into a single list without blocking the event queue.