HTML <input> disabled Attribute
Example
An HTML form with a disabled input field:
Browser Support
All major browsers support the disabled attribute.
Definition and Usage
The disabled attribute is a boolean attribute.
The disabled attribute specifies that the <input> element should be disabled.
A disabled input element is unusable and un-clickable.
The disabled attribute is set to make the <input> element unusable until certain conditions are met (like selecting a checkbox, etc.). Then, a JavaScript can remove the disabled value, and make the <input> element usable.
Tip: Disabled <input> elements in a form will not be submitted.
Note: The disabled attribute is not applicable to <input type="hidden">.
Differences Between HTML 4.01 and HTML5
None.
Differences Between HTML and XHTML
In XHTML, attribute minimization is forbidden, and the disabled attribute must be defined as <input disabled="disabled" />.