/Web APIs

Element: ariaAtomic property

The ariaAtomic property of the Element interface reflects the value of the aria-atomic attribute, which indicates whether assistive technologies will present all, or only parts of, the changed region based on the change notifications defined by the aria-relevant attribute.


A string with one of the following values:


Assistive technologies will present only the changed node or nodes.


Assistive technologies will present the entire changed region as a whole, including the author-defined label if one exists.


In this example the aria-atomic attribute on the element with an ID of "clock" is set to "true". Using ariaAtomic we update the value to "false".

<div id="clock" role="timer" aria-live="polite" aria-atomic="true"></div>
let el = document.getElementById("clock");
console.log(el.ariaAtomic); // true
el.ariaAtomic = "false";
console.log(el.ariaAtomic); // false


Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
ariaAtomic 81 81 No No 68 12.1 81 81 No 58 12.2 13.0

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