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scroll-snap-stop

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The scroll-snap-stop CSS property defines whether the scroll container is allowed to "pass over" possible snap positions.

/* Keyword values */
scroll-snap-stop: normal;
scroll-snap-stop: always;

/* Global values */
scroll-snap-type: inherit;
scroll-snap-type: initial;
scroll-snap-type: unset;

Value not found in DB!

Syntax

Values

normal
When the visual viewport of this scroll container is scrolled, it may "pass over" possible snap positions.
always
The scroll container must not "pass over" a possible snap position; and must snap to the first of the elements' snap positions.

Formal syntax

Syntax not found in DB!

Example

This example is duplicated from scroll-snap-type with minor variances.

CSS Content

/* setup */
:root, body {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-flow: column nowrap;
  font-family: monospace;
}
.container {
  display: flex;
  overflow: auto;
  outline: 1px dashed lightgray;
  flex: none;
}

.container.x {
  width: 100%;
  height: 128px;
  flex-flow: row nowrap;
}

.container.y {
  width: 256px;
  height: 256px;
  flex-flow: column nowrap;
}
/* definite scroll snap */
.mandatory-scroll-snapping {
  scroll-snap-stop: always;
}
.proximity-scroll-snapping {
  scroll-snap-stop: normal;
}
/* scroll-snap */
.x.mandatory-scroll-snapping {
  scroll-snap-type: x mandatory;
}

.y.mandatory-scroll-snapping {
  scroll-snap-type: y mandatory;
}

.x.proximity-scroll-snapping {
  scroll-snap-type: x proximity;
}

.y.proximity-scroll-snapping {
  scroll-snap-type: y proximity;
}

.container > div {
  text-align: center;
  scroll-snap-align: center;
  flex: none;
}

.x.container > div {
  line-height: 128px;
  font-size: 64px;
  width: 100%;
  height: 128px;
}

.y.container > div {
  line-height: 256px;
  font-size: 128px;
  width: 256px;
  height: 256px;
}
/* appearance fixes */
.y.container > div:first-child {
  line-height: 1.3;
  font-size: 64px;
}
/* coloration */
.container > div:nth-child(even) {
  background-color: #87EA87;
}

.container > div:nth-child(odd) {
  background-color: #87CCEA;
}

HTML Content

<div class="container x mandatory-scroll-snapping" dir="ltr">
  <div>X Mand. LTR </div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
</div>

<div class="container x proximity-scroll-snapping" dir="ltr">
  <div>X Proximity LTR</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
</div>

<div class="container y mandatory-scroll-snapping" dir="ltr">
  <div>Y Mand. LTR</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
</div>

<div class="container y proximity-scroll-snapping" dir="ltr">
  <div>Y Prox. LTR</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
</div>

<div class="container x mandatory-scroll-snapping" dir="rtl">
  <div>X Mandatory RTL</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
</div>

<div class="container x proximity-scroll-snapping" dir="rtl">
  <div>X Proximity RTL</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
</div>

<div class="container y mandatory-scroll-snapping" dir="rtl">
  <div>Y Mand. RTL</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
</div>

<div class="container y proximity-scroll-snapping" dir="rtl">
  <div>Y Prox. RTL</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
</div>

Specification

Specification Status Comment
CSS Scroll Snap Module Level 1
The definition of 'scroll-snap-type' in that specification.
Candidate Recommendation Initial definition

Browser compatibility

No compatibility data found. Please contribute data for "css.properties.scroll-snap-stop" (depth: 1) to the MDN compatibility data repository.

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/CSS/scroll-snap-stop