Прокрутка к секциям с Velocity.js, необходимо его подключить

index.html

<a href="#" data-anchor="to-section">

<section id="to-section"></section>

Прокрутка к секциям с Velocity.js

/**************************************************
	Прокрутка к секциям с Velocity.js
***************************************************/
	$('body a[data-anchor]').click(function (event) {
		event.preventDefault();
		elementClick = "#" + $(this).data("anchor");
		destination = $(elementClick).offset().top;
		$('html').velocity( "scroll", { duration: 1000, easing: "easeInOutCubic", offset: destination, mobileHA: true });
		$('body').velocity( "scroll", { duration: 1000, easing: "easeInOutCubic", offset: destination, mobileHA: true });
		return false;
	});
/**************************************************
	End Прокрутка к секциям
***************************************************/