Establishing an online presence has become crucial for individuals and businesses in the digital age.
Creating a username is among the initial steps toward achieving an online presence. However, the increasing number of internet users has made it challenging to find an available username.
You can tackle this issue by creating a username availability checker that can determine if a username is already taken or not.
In this tutorial, you will learn how to use jQuery AJAX and PHP to create a simple username availability checker.
