Create Simple Username Availability Checker Using jQuery & PHP

1 · Subin Siby · Oct. 13, 2013, 7:07 a.m.
Many sites have signup pages. Every programmers try to make the signup pages attractive by adding stylish input CSS codes and others. Why not add a stylish username availability checker ? It’s very easy to add and will work on jQuery versions 1.2 and up. I’m also going to tell you how to check if username is available in the server side. Of course it’s PHP. The checking is SQL Injection free too....