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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
Summary
The scroll-snap-type-x CSS property defines how strictly snap points are enforced on the horizontal axis of the scroll container in case there is one.
Specifying any precise animations or physics used to enforce those snap points is not covered by this property but instead left up to the user agent.
| Initial value | none |
|---|---|
| Applies to | scroll containers |
| Inherited | no |
| Media | interactive |
| Computed value | as specified |
| Animation type | discrete |
| Canonical order | the unique non-ambiguous order defined by the formal grammar |
Syntax
/* Keyword values */ scroll-snap-type-x: none; scroll-snap-type-x: mandatory; scroll-snap-type-x: proximity; /* Global values */ scroll-snap-type-x: inherit; scroll-snap-type-x: initial; scroll-snap-type-x: unset;
Values
none- When the visual viewport of this scroll container is scrolled horizontally, it must ignore snap points.
mandatory- The visual viewport of this scroll container will rest on a snap point if it isn't currently scrolled horizontally. That means it snaps on that point when the scroll action finished, if possible. If content is added, moved, deleted or resized the scroll offset will be adjusted to maintain the resting on that snap point.
proximity- The visual viewport of this scroll container may come to rest on a snap point if it isn't currently scrolled horizontally considering the user agent's scroll parameters. If content is added, moved, deleted or resized the scroll offset may be adjusted to maintain the resting on that snap point.
Formal syntax
none | mandatory | proximity
Specifications
This property is not part of any specification.
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | No support | 39.0 (39.0) | No support | No support | 9 |
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | No support | 39.0 (39.0) | ? | No support | No support | 9 |