How to change scroll behavior (e.g. speed, acceleration) on website?

Question

How are the modified scroll behaviors on websites made? I want to accomplish an accelerated scroll behavior as you can see it in the example. So you scroll in a certain speed and after you let go the page scrolls a little more by its own, slows down and stops.

Unfortunately I have absolutely no basis to provide you with code, I hope you can still help me. Maybe you can recommend me some js plugins?

https://p2mv.studio/case/sony-music-france

Solution

You have 2 ways of achieving this. You can use CSS

html { scroll-behavior: smooth; }

or you can use JavaScript:

// 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' 
})

You can read more and find more examples here: https://css-tricks.com/snippets/jquery/smooth-scrolling/

Comments

[Oystein]

Note that setting behavior in scroll functions is supported by jQuery, not native Javascript.

[MarsAndBack]

So... there's only 2 options? Instant and 'smooth' ?