scroll-snap-align
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2020年1月.
scroll-snap-align 属性将盒子的吸附位置指定为其吸附区域（作为对齐对象）在其吸附容器的吸附口（作为对齐容器）中的对齐方式。其两值分别指定了在块向轴盒行向轴上的吸附对齐方式。若仅指定一值，则第二值默认为同一值。
尝试一下
scroll-snap-align: start;
scroll-snap-align: end;
scroll-snap-align: center;
<section class="default-example" id="default-example">
<div id="example-parent">
<div>1</div>
<div id="example-element">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-parent {
text-align: left;
width: 250px;
height: 250px;
overflow-x: scroll;
display: flex;
box-sizing: border-box;
border: 1px solid black;
scroll-snap-type: x mandatory;
}
#example-parent > div {
flex: 0 0 66%;
width: 250px;
background-color: rebeccapurple;
color: #fff;
font-size: 30px;
display: flex;
align-items: center;
justify-content: center;
}
#example-parent > div:nth-child(even) {
background-color: #fff;
color: rebeccapurple;
}
语法
css
/* 关键字值 */
scroll-snap-align: none;
scroll-snap-align: start end; /* 当设置两值时，第一值为块向，第二值为行向 */
scroll-snap-align: center;
/* 全局值 */
scroll-snap-align: inherit;
scroll-snap-align: initial;
scroll-snap-align: revert;
scroll-snap-align: revert-layer;
scroll-snap-align: unset;
取值
形式定义
形式语法
scroll-snap-align =
[ none | start | end | center ]{1,2}
规范
| Specification |
|---|
| CSS Scroll Snap Module Level 1 # scroll-snap-align |
浏览器兼容性
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