Smooth Scrolling To Internal Links With jQuery

smooth-scrolling-links.js

$('a[href^="#"]').on('click', function() {
    var $target = $(this.hash);

    if ($target.length && $target.html()!==undefined) {
        var targetOffset = $target.offset().top -50;
      	$('html, body').animate({scrollTop: targetOffset}, 600);
    }
    return false;
});