HTMLInputElement: defaultChecked 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 defaultChecked
property of the HTMLInputElement
interface specifies the default checkedness state of the element. This property reflects the <input>
element's checked
attribute.
The boolean checked
attribute is valid for the radio
(<input type="radio">
) and checkbox
(<input type="checkbox">
) input types. The presence of the attribute sets the defaultChecked
property to true
.
Value
A boolean.
Examples
js
const inputElement = document.getElementById("contactMail");
console.log(inputElement.defaultChecked);
Specifications
Specification |
---|
HTML # dom-input-defaultchecked |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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defaultChecked |
Legend
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- 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.