jquery .js-scrollto code example
Example 1: scroll to element jquery
$('html, body').animate({
scrollTop: $("#grepperRocks").offset().top
});
Example 2: jquery scroll to position
jQuery(document).ready(function($) {
$('a[href^="#"]').bind('click.smoothscroll',function (e) {
e.preventDefault();
var target = this.hash,
$target = $(target);
$('html, body').stop().animate( {
'scrollTop': $target.offset().top-40
}, 900, 'swing', function () {
window.location.hash = target;
} );
} );
} );