Purpose of callback function as an argument of setState

Purpose of callback function as an argument of setState

SetState is an asynchronous method. Asynchronous means that the remaining code will get executed while the current action is being performed. Whereas synchronous code will block the code execution while the current action is being performed. So, if you want an action to be performed only after the state has been updated you can make use of a call back function. This callback function is put as an argument to setState the method. This is the exact purpose of defining a callback function as an argument of setState....

Prerequisites:

NPM and Node.js React JS React JS State React this.setState...

Approach:

The callback function is passed as an argument in setState to execute the code immediately after the setState has completed the updation. The callback function will log the updated value on the console when the asynchronous action is completed....

Steps to create React Application:

Step 1: Create a react application by typing the following command in the terminal....

Project Structure:

Project Structure...