Synchronous vs Asynchronous Programming
Introduction
In this article, we will discuss What Synchronous Programming is? What Asynchronous Programming is? And whether JavaScript is Synchronous or Asynchronous?
Many developers struggle to understand topics like Callbacks, Promises, and Async/Await, one of the reasons may be not understanding the actual need and core logic behind them.
Having a good grasp of this topic can help you understand them more easily.
Example
This can be better explained with the help of an example.
Imagine you gave your friend a set of tasks:
- Get Video Games from adjacent towns (somewhere far).
- Get Chocolate from a nearby store.
What your friend now does is, he first completes task one and head to an adjacent town, and let’s say that takes x amount of time. Then he comes back to you, gives you video games, and then goes to perform the second task, and let’s say it takes y amount of time. The total time taken is x+y. This was just a couple of tasks but imagine there are hundreds of them, the total time is taken increases rapidly if he is a single person doing all the tasks one by one in the order they are given.
