The callback is a function being called by another function, either synchronously or asynchronously.

The callback function is one of those concepts that every JavaScript developer should know. Callbacks are used in arrays, timer functions, promises, event handlers, and much more.

In this post, I will explain the concept of a callback function. Also, I’ll help you distinguish the 2 types of callbacks: synchronous and asynchronous.

• The callback function
• The synchronous callback
• The asynchronous callback
• Asynchronous callback function vs asynchronous function

#javascript #function #programming #developer