scroll-behavior

scroll-behavior

The scroll-behavior CSS property specifies the scrolling behavior for a scrolling box, when scrolling happens due to navigation or CSSOM scrolling APIs. Any other scrolls, e.g. those that are performed by the user, are not affected by this property. When this property is specified on the root element, it applies to the viewport instead.

User agents may ignore this property.

Initial value auto
Applies to scrolling boxes
Inherited no
Media visual
Computed value as specified
Animation type discrete
Canonical order the unique non-ambiguous order defined by the formal grammar

Syntax

/* Keyword values */
scroll-behavior: auto;
scroll-behavior: smooth;

/* Global values */
scroll-behavior: inherit;
scroll-behavior: initial;
scroll-behavior: unset;

Values

auto
The scrolling box is scrolled in an instant fashion.
smooth
The scrolling box is scrolled in a smooth fashion using a user-agent-defined timing function over a user-agent-defined period of time. User agents should follow platform conventions, if any.

Formal syntax

auto | smooth

Example

HTML

<nav>
  <a href="#page-1">1</a>
  <a href="#page-2">2</a>
  <a href="#page-3">3</a>
</nav>
<scroll-container>
  <scroll-page id="page-1">1</scroll-page>
  <scroll-page id="page-2">2</scroll-page>
  <scroll-page id="page-3">3</scroll-page>
</scroll-container>

CSS

a {
  display: inline-block;
  width: 50px;
  text-decoration: none;
}
nav, scroll-container {
  display: block;
  margin: 0 auto;
  text-align: center;
}
nav {
  width: 339px;
  padding: 5px;
  border: 1px solid black;
}
scroll-container {
  display: block;
  width: 350px;
  height: 200px;
  overflow-y: scroll;
  scroll-behavior: smooth;
}
scroll-page {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: 5em;
}

Output

Specifications

Specification Status Comment
CSS Object Model (CSSOM) View Module
The definition of 'scroll-behavior' in that specification.
Working Draft Initial specification

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes)[1] 36 (36) No support (Yes)[1] No support
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support No support 36 (36) No support No support No support

[1] Supported in Chrome and Opera by enabling the "Smooth Scrolling" or "Enable experimental web platform features" flag.

© 2005–2017 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/CSS/scroll-behavior

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