HTMLInputElement: alt property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

The alt property of the HTMLInputElement interface defines the textual label for the button for users and user agents who cannot use the image. It reflects the <input> element's alt attribute.

The alt property is valid for the image type only. It should be a non-empty string giving the label that would be appropriate for an equivalent button if the image was unavailable.

Value

A string.

Examples

js
const inputElement = document.getElementById("imageButton");
console.log(inputElement.alt);
inputElement.alt = "A much better description";

Specifications

Specification
HTML
# dom-input-alt

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
alt

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also