Use when the form contains information that shouldn't be public, like login credentials. post: The data from the form are included in the body of the HTTP request when sent to the server.If the button is a submit button (it's inside/associated with a and doesn't have type='button'), this attribute specifies the HTTP method used to submit the form. If this attribute is specified, it overrides the enctype attribute of the button's form owner. text/plain: Specified as a debugging aid shouldn't be used for real form submission.multipart/form-data: Use to submit elements with their type attributes set to file.application/x-www-form-urlencoded: The default if the attribute is not used.If the button is a submit button (it's inside/associated with a and doesn't have type='button'), specifies how to encode the form data that is submitted. Overrides the action attribute of the button's form owner. The URL that processes the information submitted by the button. It can also override an ancestor element. This attribute lets you associate elements to s anywhere in the document, not just inside a. (If this attribute is not set, the is associated with its ancestor element, if any.) The value of this attribute must be the id of a in the same document. The element to associate the button with (its form owner). Use the autocomplete attribute to control this feature.

This Boolean attribute prevents the user from interacting with the button: it cannot be pressed or focused.įirefox, unlike other browsers, persists the dynamic disabled state of a across page loads. Setting autocomplete='off' on the button disables this feature see bug 654072. Unlike other browsers, Firefox persists the dynamic disabled state of a across page loads. This attribute on a is nonstandard and Firefox-specific. Only one element in a document can have this attribute. This Boolean attribute specifies that the button should have input focus when the page loads. This element's attributes include the global attributes.

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