🔴 Complete JavaScript Form Validation in Hindi in 2020 | Registration, Login, Logout Forms
Channel: Thapa Technical
Date: 2020-08-05

Welcome,  Complete Registration / Login Form Validation using JavaScript in Hindi in 2020. I guarantee that after today's video, you can easily write code for complete form validation in javascript for any type of form like Registration form, Login / Sign-in form validation in JavaScript, Logout / SingUp form validation in JavaScript, etc, etc.  So, What exactly javascript form validation means?

Form Validation in JavaScript provides a way to validate the form's data on the client's computer before sending it to the webserver. Form validation in JavaScript generally used for two functions.

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Basic JavaScript Form Validation − In this JS validation part, All the form must be checked to make sure all the mandatory fields are filled in(If the Input Feilds are empty or not). It would require just a loop through each field in the form and check for data.

JavaScript Data Format Validation −  In this JS validation part, the data that is entered must be checked for correct form and value. We have to write proper code that must include appropriate logic to test the correctness of data entered by the users. 

So, After the form validation using JavaScript is done. Then we will check the way to send the data to the backend part of the database.  


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