Why does the framework do this?

Question

Yii

Why did my id of some navigation bar (why does it need any kind of identifier) ​​coincided with the form id, I couldn’t understand for two hours why my validation scripts didn’t work. Who came up with the idea of ​​making IDs the same? I'm looking more and more towards laravel because of such garbage.
Moreover, the id was the same in three places =) navbar, div and form =))))

Answer 1

1 - do you use ajax? Then everything is obvious.
2 - in order to avoid such incidents, assign your id