Element:ariaPosInSet 属性
Baseline
2023
Newly available
Since October 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
Element
接口的 ariaPosInSet
属性反射 aria-posinset
属性的值。该属性定义了当前列表项或树形结构中元素的编号或位置。
值
一个包含整型的字符串。
示例
在本示例中,ID 为 article2
的元素上的 aria-posinset
属性被设置为“2”。通过使用 ariaPosInSet
,我们将该值更新为“3”。
html
<article id="article1" aria-posinset="1">…</article>
<article id="article2" aria-posinset="2">…</article>
js
let el = document.getElementById("article2");
console.log(el.ariaPosInSet); // “2”
el.ariaPosInSet = "3";
console.log(el.ariaPosInSet); // “3”
规范
Specification |
---|
Accessible Rich Internet Applications (WAI-ARIA)> # dom-ariamixin-ariaposinset> |
浏览器兼容性
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