A form with two submit buttons. The first submit button submits the form data with default validation, and the second submits the form data without validation:
The formnovalidate attribute is supported in Internet Explorer 10, Firefox, Opera, and Chrome.
Note: The formnovalidate attribute of the <button> tag is not supported in Internet Explorer 9 and earlier versions, or in Safari.
The formnovalidate attribute is a boolean attribute.
When present, it specifies that the form-data should not be validated on submission. This attribute overrides the form's novalidate attribute.
The formnovalidate attribute is only used for buttons with type="submit".
The formnovalidate attribute is new in HTML5.
In XHTML, attribute minimization is forbidden, and the formnovalidate attribute must be defined as <button type="submit" formnovalidate="formnovalidate">.
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