Modify the bootstrap dropdown so that the arrow switches directions when clicked anywhere outside of the dropdown menu

When working with the example in Code Ply, I have managed to successfully hide and show the arrow in the dropdown based on whether the button is clicked or not. However, after clicking anywhere else on the page, the dropdown items are hidden but the arrow remains invisible until I click the button again.

Is there a way to modify the javascript function so that the arrow appears or disappears automatically when the dropdown items are shown or hidden?

Your assistance in solving this issue would be greatly appreciated.

Many thanks for your help.

jqueryhtmlcsstwitter-bootstrap-3

Answer №1

Instead of manually adding the caret-up class, you can utilize the .open class from the bootstrap dropdown. Simply inspect the element, click on the dropdown, and observe the change to style your arrow accordingly.

Here's an example:

.dropdown.open .caret
{
    //dropdown is open
}

.dropdown:not(.open) .caret
{
    //dropdown is not open
}

No need for additional custom CSS!

Answer №2

One suggestion is to incorporate the following code snippet into your project. To detect clicks outside of a dropdown menu, check if the span element does not already have the class caret and then add it dynamically.

$document.click(function() {
   if(!$(".dropdown").find('span').hasClass("caret"));
        $('span', this).toggleClass("caret caret-up");
});

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