How to get Twitter-Bootstrap navigation to show active link?

Question

I\'m not understanding how Twitter Bootstrap does active links for the navigation. If I have a regular navigation like this (with ruby on rails linking):

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Answer 1

Use this instead to select active link in nav based on the current route without server code:

    $(document).ready(function () {
        $('a[href="' + this.location.pathname + '"]').parent().addClass('active');
    });