scroll-snap-destination - CSS（层叠样式表） 编辑

这是一个实验中的功能
此功能某些浏览器尚在开发中，请参考浏览器兼容性表格以得到在不同浏览器中适合使用的前缀。由于该功能对应的标准文档可能被重新修订，所以在未来版本的浏览器中该功能的语法和行为可能随之改变。

摘要

scroll-snap-destination CSS属性定义滚动容器的可视化viewport 中元素snap点的x和y坐标位置。

初始值	0px 0px
适用元素	scroll containers
是否是继承属性	否
Percentages	relative to same axis of the padding-box of the scroll container
适用媒体	interactive
计算值	as specified, but with relative lengths converted into absolute lengths
Animation type	a position
正规顺序	the unique non-ambiguous order defined by the formal grammar

语法

/* <位置>值 */
scroll-snap-destination: 400px 600px;

/* 全局值 */
scroll-snap-destination: inherit;
scroll-snap-destination: initial;
scroll-snap-destination: unset;

取值

<position>

定义从滚动容器的可视视图边缘开始偏移的snap坐标。第一个值给定了snap坐标的x坐标，第二个值为它的y坐标。

正式语法

<position>
where 
<position> = [ [ left | center | right ] || [ top | center | bottom ] | [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ]? | [ [ left | right ] <length-percentage> ] && [ [ top | bottom ] <length-percentage> ] ]
where 
<length-percentage> = <length> | <percentage>

示例

HTML内容

<div id="container">
  <div>
    <p>At coordinate (0, 0)</p>
    <div class="scrollContainer destination0">
      <div>1</div>
      <div>2</div>
      <div>3</div>
    </div>
  </div>

  <div>
    <p>At coordinate (25, 0)</p>
    <div class="scrollContainer destination25">
      <div>1</div>
      <div>2</div>
      <div>3</div>
    </div>
  </div>

  <div>
    <p>At coordinate (50, 0)</p>
    <div class="scrollContainer destination50">
      <div>1</div>
      <div>2</div>
      <div>3</div>
    </div>
  </div>
</div>

CSS内容

#container {
  display: flex;
}

#container > div:nth-child(-n+2) {
  margin-right: 20px;
}

.scrollContainer {
  width: 100px;
  overflow: auto;
  white-space: nowrap;
  scroll-snap-points-x: repeat(100%);
  scroll-snap-type: mandatory;
  scroll-snap-destination: 20px 0;
  font-size: 0;
}

.destination0 {
  scroll-snap-destination: 0 0;
}

.destination25 {
  scroll-snap-destination: 25px 0;
}

.destination50 {
  scroll-snap-destination: 50px 0;
}

.scrollContainer > div {
  width: 100px;
  height: 100px;
  display: inline-block;
  line-height: 100px;
  text-align: center;
  font-size: 50px;
}

.scrollContainer > div:nth-child(even) {
  background-color: #87EA87;
}

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

规范

规范名称	状态	评论
CSS Scroll Snap Module Level 1 scroll-snap-destination	Candidate Recommendation	Initial definition

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

• Desktop
• Mobile

特性	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari (WebKit)
支持度	?	39.0 (39.0)	未实现	未实现	未实现

特性	Android	Firefox Mobile (Gecko)	Firefox OS	IE Phone	Opera Mobile	Safari Mobile
支持度	未实现	39.0 (39.0)[1]	39.0 (39.0)	未实现	未实现	未实现

[1] 在Firefox移动版上，从内核Gecko 39开始可用，但是低于 layout.css.vertical-text.enabled优先级，默认不可用。