$('.click-menu-element').click(function(){
       $('html, body').animate({scrollTop:$('#elementId').position().top}, 2000);
});

function smoothScroll(Element) {

Element = document.getElementById(Element);
var selectedPosX = 0;
var selectedPosY = 0;
while (Element != null) {
    selectedPosX += Element.offsetLeft;
    selectedPosY += Element.offsetTop;
    Element = Element.offsetParent;
}
window.scrollTo(selectedPosX, selectedPosY);
}

html {
  scroll-behavior: smooth;
}

<button class="btn" onclick="smoothScroll('myId')">туда</button>
<p id="myId">тут</p>