Codeigniter with jquery taking issues

Hello, I was studying codeigniter and came across a very strange error. This error causes the page does not change only when I open the link a new page

My code and error in attachment

Attached Files

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Looks like a jquery issue.

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Looks like a jquery issue.

Thanks for reply,

I opened a topic in jquery (http://forum.jquery.com/topic/jquery-and...0006411431).

I need some help. This is my conclusion work for school!  

That error generally happens when you write an invalid selector. Example:

Code:

var el = $( 'input[type=text' ); // note the missing closing ]

The code you've included both here and there is just your HTML in your view. The error is occurring in JavaScript, and you have not included anything in either thread which shows your JavaScript code. If you don't have any custom JavaScript on the page in question, then it is probably related to whatever JavaScript/CSS framework you are using for your site.

Bonfire

Practical CodeIgniter 3
CodeIgniter Testing Guide

I found the error,

bootstrap Pills don't support url just id.

Thanks guys!