Smooth scroll to anchor

scroll-to-anchor.js

// anchors smooth scroll
$('a[href^="#"]').on('click', function() {
    var $targetLink = $('#' + $.attr(this, 'href').substr(1)),
        dataToggle = $(this).attr('data-toggle');
    if($targetLink[0] && dataToggle != 'modal' && dataToggle != 'collapse') {
        $('html, body').animate({
            scrollTop: $targetLink.offset().top - 110
        }, 500);
    }

    return;
});