Automatically detects the hash and scroll smoothly to anchor link with URL hashchange

jquery.smooth-scroll-anchor-link.js

/* 
* Smooth scroll to anchor link
* Automatically detects the hash and scroll smoothly to anchor link with URL hashchange
* Author: Soham Banerjee @soham2008xyz
*/

// If you need more autonomy, 
// You can replace hash detection with a data-attribute
// e.g. $("[data-scroll='smooth']")

$(document).on("click", "a[href*='#']:not([href='#'])", function (e) {
    e.preventDefault();
    var hash = this.hash;
    var section = $(hash);

    if (section) {
        $('html, body').animate({
            scrollTop: section.offset().top
        }, 1000, 'swing', function () {
            history.replaceState({}, "", hash);
        });
    }
});