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The ariaBrailleLabel property of the Element interface reflects the value of the aria-braillelabel attribute, which defines the ARIA braille label of the element.
This element label may be used by assistive technologies that can present content in braille, but should only be set if a braille-specific label would improve the user experience. The aria-braillelabel contains additional information about when the property should be set.
<string>
The value is a string, an unconstrained value type, that is intended to be converted into braille.
This example shows how to get and set the ariaBrailleLabel property.
First we define a button with label text "3 out of 5 stars" and an aria-braillelabel attribute with a value of "\*\*\*". This allows a braille display to show "btn ***" in braille rather than the more verbose "btn gra 3 out of 5 stars".
<button id="button" aria-braillelabel="\*\*\*">3 out of 5 stars</button>
#log {
height: 100px;
overflow: scroll;
padding: 0.5rem;
border: 1px solid black;
}
const logElement = document.querySelector("#log");
function log(text) {
logElement.innerText = `${logElement.innerText}${text}\n`;
logElement.scrollTop = logElement.scrollHeight;
}
The code then uses the button's ariaBrailleLabel property to first get and log the braille label. It then sets the braille label to "3*" and logs the value again.
const button = document.getElementById("button");
log(button.ariaBrailleLabel);
button.ariaBrailleLabel = "3*";
log(button.ariaBrailleLabel);
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