How do I hide a scrollbar after scrolling and make it visible again on scroll?

My intention is to hide my scrollbar (i.e, hidden by SLIDING TO THE RIGHT), after scrolling (let's say, like 2 or 3 seconds after I'm done scrolling)

And to make it visible again, soon as I start scrolling (i.e, visible by SLIDING IN FROM THE RIGHT)

VIEW CODE SNIPPET:

div::-webkit-scrollbar {
  width: 8px;
  /* helps remove scrollbar which resizes or shifts list items */
  /* display: none; */
}

div::-webkit-scrollbar-track {
  background-color: #444444;
}

div::-webkit-scrollbar-button:vertical:increment {
  background-color: rgba(108, 92, 231, 0.65);
}

div::-webkit-scrollbar-button:vertical:decrement {
  background-color: rgba(108, 92, 231, 0.65);
}

div::-webkit-scrollbar-thumb {
  background-color: rgba(108, 92, 231, 0.7);
  border-radius: 10px;
}

div::-webkit-scrollbar-thumb:hover {
  background-color: rgba(108, 92, 231, 1);
}

div {
  width: 500px;
  height: 300px;
  background-color: #ececec;
  overflow: auto;
}

<div>
  <p style="height: 300vh;">Just some tall paragraph to force DIV scrollbars....</p>
</div>

Please help me everyone (I'D BE SO GRATEFUL!)

Solution 1:

Since CSS does not have timeouts and clearing of timeouts - Use JavaScript

Use Element.classList to add and remove a class
Use setTimeout() set at 2500ms, but every time a scroll event is triggered remove the previous pending timeout using clearTimeout. Logically, after you finished scrolling the last timeout that was set will, after 2.5s trigger finally the class removal.
Use a CSS class like .is-scrolling to there define the desired scrollbar styles (which otherwise are transparent by default)

const showScrollbars = (evt) => {

  const el = evt.currentTarget;
  clearTimeout(el._scrolling); // Cancel pending class removal
  
  el.classList.add("is-scrolling"); // Add class 
  
  el._scrolling = setTimeout(() => { // remove the scrolling class after 2500ms
    el.classList.remove("is-scrolling");
  }, 2500);
};

document.querySelectorAll("[data-scrollbars]").forEach(el => {
  el.addEventListener("scroll", showScrollbars); 
});

[data-scrollbars] {
  width: 500px;
  height: 180px;
  background-color: #ececec;
  overflow: auto;
}

[data-scrollbars]::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

[data-scrollbars]::-webkit-scrollbar-track {
  background-color: transparent;
}

[data-scrollbars]::-webkit-scrollbar-thumb {
  background-color: transparent;
  border-radius: 10px;
}

[data-scrollbars].is-scrolling::-webkit-scrollbar-track {
  background-color: #777;
}

[data-scrollbars].is-scrolling::-webkit-scrollbar-thumb {
  background-color: gold;
}

<div data-scrollbars>
  <p style="height: 300vh;">
    Just some tall paragraph to force DIV scrollbars...<br>
    Scroll me! (<<< PS: See the problem?!)
  </p>
</div>

I would highly not advise you hide scrollbars. Scrollbars are a visual hint to the user that there's actually content to be scrolled. Do a simple A/B testing. For half of your visitors show the scrollbar. For the other half, do that funky stuff - and don't be surprised that your click trough-rate for the below-the-fold portion of the app (or element) has fewer-to-none interactions by that second group of users.

How do I hide a scrollbar after scrolling and make it visible again on scroll?

Solution 1:

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