scrollTo.js scrolling on Click

scrollTo.js

<script>

$(document).ready(function () {
    
var formErrors = '';
    
if(formErrors) {
    scrollToTitle();  
}
  
$('#downloadBook').on('click', function (e) {
 e.preventDefault();
 scrollToTitle(180);
})  


  
function scrollToTitle(distance) {
    distance = distance || 0;
    $('body,html,document').animate({
        scrollTop: $(".registration-form").offset().top - distance
    }, 750);
}  
})
    
</script>