Why I get this JavaScript error with jQuery Validate?

Question

I use jquery.unobtrusive and jquery.validate libraries in asp.net mvc 5 project to validate user registration on client side.

on browser I get this error:

Uncaught TypeError: $(...).parents(...).andSelf is not a function
    at Object.parse (jquery.validate.unobtrusive.js:211)
    at HTMLDocument.<anonymous> (jquery.validate.unobtrusive.js:392)
    at mightThrow (jquery-3.1.1.js:3570)
    at process (jquery-3.1.1.js:3638)

I use jquery 3.1.1 in my project.It seem to be versions problems.

Any idea how can I solve it?

Sparky · Accepted Answer · 2017-01-29 16:03:08Z

21

Uncaught TypeError: $(...).parents(...).andSelf is not a function

Read the jQuery docs.

"I use jquery 3.1.1 in my project."

The .andSelf() method was removed from jQuery version 3

It was an alias for the .addBack() method, which should be used instead.

edited Jan 29, 2017 at 16:03

answered Jan 29, 2017 at 15:52

Sparky

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Comments

Asif Raza · Accepted Answer · 2018-09-22 22:29:39Z

13

Like @Sparky said, this is because the Unobtrusive JS files obtained from NuGet (if you create an app using File->New in Visual Studio) uses the deprecated andSelf() function.

To resolve, get the latest versions of

jquery.validate.unobtrusive.js jquery.validate.unobtrusive.min.js

from

https://github.com/aspnet/jquery-validation-unobtrusive/tree/master/dist

and replace the ones in your project. Or Download / Update exiting plugin from nuget.

After Replacing Make sure you clear your browser cache. (Control + F5 if you are using chrome)

edited Sep 22, 2018 at 22:29

Asif Raza

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answered Aug 22, 2017 at 11:25

rams

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