jQuery is JavaScript library containing a lot of important and usable function which facilitate our Application. Java script is client side language and which run on client browser.
In most of web application we have to validate user input before submitting to Server. You can validate user input on Client side using Java script or jQuery and on Server Side using server side programming language like PHP, Asp.net, Java and etc.But when you validate input to server side then first request send to server with all user Inputs, then it check weather these input are correct or not the return to client to display error.
In most of web application we have to validate user input before submitting to Server. You can validate user input on Client side using Java script or jQuery and on Server Side using server side programming language like PHP, Asp.net, Java and etc.But when you validate input to server side then first request send to server with all user Inputs, then it check weather these input are correct or not the return to client to display error.








