Automated and animated goto links with jQuery

goto-links-with-jquery.js

$('a').click(function(e) {
    if($(this).attr('href').substr(0, 4) !== 'http') {
        if($($(this).attr('href')).length > 0) {
            e.preventDefault();
            history.pushState({}, $('title').text(), window.location.protocol + '//' + window.location.host + window.location.pathname + $(this).attr('href'));
            $('html, body').animate({
                scrollTop: $($(this).attr('href')).offset().top
            }, 500);
        }
    }
});

$(window).load(function() {
    if(window.location.hash !== '') {
        $('html, body').scrollTop($(window.location.hash).offset().top);
    }
});