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Form Validation using JavaScript with source code


Form Validation using JavaScript with source code.


Welcome Developers, complete registration form validation using javascript in Hindi with source code. Complete Registration form validation in javascript in Hindi.
Javascript form validation using a regular expression.

The JavaScript provides you the facility to validate the form on the client side so processing will be fast than server-side validation. So, most of the web developers prefer JavaScript form validation.

Through JavaScript, we can validate Name, Password, Email, Date, Mobile Number etc fields.

JavaScript form validation example
In this example, we are going to validate the name, password, confirm a password, mobile number and Email. The name can’t be empty and password can’t be less than 6 characters long.

Here, we are validating the form on form submit. The user will not be forwarded to the next page until the given values are correct.

JavaScript Number Validation
Let's validate the text field for numeric value only. Here, we are using isNaN() function.

JavaScript email validation
We can validate the email with the help of JavaScript.

There are many criteria that need to be followed to validate the email id such as:

email id must contain the @ and . character
There must be at least one character before and after the @.
There must be at least two characters after . (dot). 
The above 3 are like the minimum requirement that you have to follow to make the email validation work properly.

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29 comments:

  1. please sir email me source code file

    ReplyDelete
  2. please yeh b batye k jb field correct fill up ho tb neechay alert ka color change ho

    ReplyDelete
  3. Hi Sir .. Plz send me source code ... Thanku Sir..

    ReplyDelete
  4. Sir please send me the source code

    ReplyDelete
  5. Sir can you send me your full source code sir

    ReplyDelete
  6. Please send me your full source code sir

    ReplyDelete
  7. SIR please send me source code!!!!

    ReplyDelete
  8. Hi, can you share your code please?

    ReplyDelete
  9. sir please send java script code the direct connected email address and website running.

    ReplyDelete
  10. Hi Sir....can you please tell me how to change the color of border when we write some wrong information?

    ReplyDelete
  11. Where is source code please tell me so i can download

    ReplyDelete
  12. please sir email me source code file lalit.elicit@gmail.com

    ReplyDelete
  13. please sir email me source code file

    ReplyDelete
  14. please sir email me source code file

    ReplyDelete
  15. good morning sir
    plz email me source code
    mail id-deepaksah8591@gmail.com

    ReplyDelete
  16. sent mw source code and bootstrap all video link,,

    ReplyDelete
  17. sir first thank you for your incredible tutorial.
    please send me full source code of online quiz system with database,thank you.
    email-asneabebe12@gmail.com

    ReplyDelete