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 GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
value |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.