Attr: value 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 value property of the Attr interface contains the value of the attribute.

Value

A string representing the attribute value.

Example

The following example displays the current value of the attribute test. Clicking on the button will change it to a different value, and read it again to update the displayed value.

HTML

html
<label test="initial value"></label>

<button>Click me to set test to <code>"a new value"</code></button>

<p>
  Current value of the <code>test</code> attribute:
  <output id="result">None.</output>
</p>

JavaScript

js
const element = document.querySelector("label");
const button = document.querySelector("button");
const result = document.querySelector("#result");

const attribute = element.attributes[0];
result.value = attribute.value;

button.addEventListener("click", () => {
  attribute.value = "a new value";
  result.value = attribute.value;
});

Specifications

Specification
DOM
# dom-attr-value

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
value

Legend

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

Full support
Full support