scroll to element vanilla js

scroll into.js

//from https://css-tricks.com/snippets/jquery/smooth-scrolling/

// Scroll to specific values
// scrollTo is the same
window.scroll({
  top: 2500, 
  left: 0, 
  behavior: 'smooth' 
});

// Scroll certain amounts from current position 
window.scrollBy({ 
  top: 100, // could be negative value
  left: 0, 
  behavior: 'smooth' 
});

// Scroll to a certain element
document.querySelector('.hello').scrollIntoView({ 
  behavior: 'smooth' 
});

//jQuery way
$('html, body').animate({
        scrollTop: $(hash).offset().top
      }, 800, function(){
        // Add hash (#) to URL when done scrolling (default click behavior)
        window.location.hash = hash;
});