试一试
scroll-snap-type: none;
scroll-snap-type: x mandatory;
scroll-snap-type: x proximity;
<section class="default-example" id="default-example">
<div id="example-element">
<div>1</div>
<div>2</div>
<div>3</div>
</div>
<div class="info">Scroll »</div>
</section>
.default-example {
flex-wrap: wrap;
}
.default-example .info {
width: 100%;
padding: 0.5em 0;
font-size: 90%;
}
#example-element {
text-align: left;
width: 250px;
height: 250px;
overflow-x: scroll;
display: flex;
box-sizing: border-box;
border: 1px solid black;
}
#example-element > div {
flex: 0 0 250px;
width: 250px;
background-color: rebeccapurple;
color: white;
font-size: 30px;
display: flex;
align-items: center;
justify-content: center;
scroll-snap-align: start;
}
#example-element > div:nth-child(even) {
background-color: white;
color: rebeccapurple;
}
如果滚动视口中的内容发生变化（例如，如果内容被添加、移动、删除或调整大小），则如果该内容仍然存在，滚动容器将重新吸附到先前吸附的内容。
如果与滚动吸附相关的属性（例如 scroll-snap-type 或 scroll-margin）的值发生更改，滚动容器将根据 scroll-snap-type 的当前值重新吸附。
精确动画或用于强制执行这些吸附点的物理原理的指定不属于此属性的范围，而是由用户代理决定。
语法
css
/* No snapping */
scroll-snap-type: none;
/* Keyword values for snap axes */
scroll-snap-type: x;
scroll-snap-type: y;
scroll-snap-type: block;
scroll-snap-type: inline;
scroll-snap-type: both;
/* Optional keyword values for snap strictness */
/* mandatory | proximity */
scroll-snap-type: x mandatory;
scroll-snap-type: y proximity;
scroll-snap-type: both mandatory;
/* Global values */
scroll-snap-type: inherit;
scroll-snap-type: initial;
scroll-snap-type: revert;
scroll-snap-type: revert-layer;
scroll-snap-type: unset;
值
正式定义
正式语法
scroll-snap-type =
none |
[ x | y | block | inline | both ] [ mandatory | proximity ]?
示例
在不同轴上吸附
HTML
html
<main>
<section class="x mandatory-scroll-snapping" dir="ltr">
<div>X Mand. LTR</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
</section>
<section class="x proximity-scroll-snapping" dir="ltr">
<div>X Prox. LTR</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
</section>
<section class="y mandatory-scroll-snapping" dir="ltr">
<div>Y Mand. LTR</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
</section>
<section class="y proximity-scroll-snapping" dir="ltr">
<div>Y Prox. LTR</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
</section>
<section class="x mandatory-scroll-snapping" dir="rtl">
<div>X Mand. RTL</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
</section>
<section class="x proximity-scroll-snapping" dir="rtl">
<div>X Prox. RTL</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
</section>
<section class="y mandatory-scroll-snapping" dir="rtl">
<div>Y Mand. RTL</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
</section>
<section class="y proximity-scroll-snapping" dir="rtl">
<div>Y Prox. RTL</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
</section>
</main>
CSS
css
/* scroll-snap */
.x.mandatory-scroll-snapping {
scroll-snap-type: x mandatory;
}
.x.proximity-scroll-snapping {
scroll-snap-type: x proximity;
}
.y.mandatory-scroll-snapping {
scroll-snap-type: y mandatory;
}
.y.proximity-scroll-snapping {
scroll-snap-type: y proximity;
}
div {
text-align: center;
scroll-snap-align: center;
flex: none;
}
结果
规范
| 规范 |
|---|
| CSS 滚动捕捉模块级别 1 # scroll-snap-type |
浏览器兼容性
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