From 1c234236f5d1735b4b9a3899fe288d6978ee604c Mon Sep 17 00:00:00 2001
From: Joseph Olayanju <49444453+Olayanju-1234@users.noreply.github.com>
Date: Thu, 22 Sep 2022 07:33:55 +0100
Subject: [PATCH] Add content for callback (#1830)

* Update 104-callbacks.md

* Update content/roadmaps/107-nodejs/content/104-nodejs-async-programming/104-callbacks.md

Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>
---
 .../content/104-nodejs-async-programming/104-callbacks.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/content/roadmaps/107-nodejs/content/104-nodejs-async-programming/104-callbacks.md b/content/roadmaps/107-nodejs/content/104-nodejs-async-programming/104-callbacks.md
index 7b3d81c5f..0253e5995 100644
--- a/content/roadmaps/107-nodejs/content/104-nodejs-async-programming/104-callbacks.md
+++ b/content/roadmaps/107-nodejs/content/104-nodejs-async-programming/104-callbacks.md
@@ -1 +1,7 @@
-# Callbacks
\ No newline at end of file
+# Callbacks
+
+Node.js, being an asynchronous platform, doesn't wait around for things like file I/O to finish - Node.js uses callbacks. A callback is a function called at the completion of a given task; this prevents any blocking, and allows other code to be run in the meantime.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://nodejs.org/en/knowledge/getting-started/control-flow/what-are-callbacks/'>What are callbacks?</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://nodejs.dev/en/learn/javascript-asynchronous-programming-and-callbacks/'>Asynchronicity in Programming Languages</BadgeLink>