Validation of a form is a series of checks and notifications that guides a user as to what is required as an input while submitting information to a server. We can also say that it is a process of checking the input data against a specific standard or requirement.
Form validation is a process for detecting invalid control data and displaying those errors to the end users. The term has several benefits as follows:
Provides the necessary instructions and hints
Provides a logical reading and navigation order of the elements
Users can easily get to know the mistakes they have made while entering the data
Ensures that the form can be completed and submitted using the keyboard
Saves users' waiting time on an HTTP request or a network call
Saves the owner's server time and memory from dealing with bad inputs
Validation ensures that sufficient data has been provided by the user, such as with online shopping, which typically includes the address, e-mail address, and many more details which...