Programmatically toggle bootstrap 3 navigation bar

Question

I am using few items in my bootstrap 3 navigation bar grouped in like below:

Answer 1

After a little bit of help from @Jahnux73 I figured it out myself. So the only thing I had to do is to add :

data-toggle="collapse" data-target=".navbar-ex1-collapse"

to the specific link that I wanted to toggle the navbar. so the link now looks like following:

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