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The HTML <button></button> element represents a clickable button. This element must not be a descendant of an <a> element or another <button> element. If it is a descendant of a <label> element, the <button> element's id attribute must have the same value as the label's for attribute.

Attributes

Attribute Value Description
autofocus Boolean This Boolean attribute lets you specify that the button should have input focus when the page loads, unless the user overrides it, for example by typing in a different control. Only one form-associated element in a document can have this attribute specified. (HTML5)
disabled Boolean This Boolean attribute indicates that the user cannot interact with the button. If this attribute is not specified, the button inherits its setting from the containing element; if there is no containing element with the disabled attribute set, then the button is enabled.
form id The value of the attribute must be the id attribute of a <form> element in the same document. If this attribute is not specified, the <button> element must be a descendant of a <form> element. This attribute enables you to place <button> elements anywhere within a document, not just as descendants of their <form> elements. (HTML5)
formaction URI The URI of a program that processes the information submitted by the button. If specified, it overrides the action attribute of the button's form owner. (HTML5)
formenctype application/x-www-form-urlencoded
multipart/form-data
text/plain
If the button is a submit button, this attribute specifies the type of content that is used to submit the form to the server.


  • application/x-www-form-urlencoded: The default value if the attribute is not specified.
  • multipart/form-data: Use this value if you are using an <input /> element with the type attribute set to file.
  • text/plain: Plain text.



If this attribute is specified, it overrides the enctype attribute of the button's form owner. (HTML5)

formmethod post
get
If the button is a submit button, this attribute specifies the HTTP method that the browser uses to submit the form.
* post: The data from the form is included in the body of the form and is sent to the server.
  • get: The data from the form are appended to the form attribute URI, with a '?' as a separator, and the resulting URI is sent to the server. Use this method when the form has no side-effects and contains only ASCII characters.



If specified, this attribute overrides the method attribute of the button's form owner. (HTML5)

formnovalidate Boolean If the button is a submit button, this Boolean attribute specifies that the form is not to be validated when it is submitted. If this attribute is specified, it overrides the novalidate attribute of the button's form owner. (HTML5)
formtarget _self
_blank
_parent
_top
If the button is a submit button, this attribute is a name or keyword indicating where to display the response that is received after submitting the form. This is a browsing context name. If this attribute is specified, it overrides the target attribute of the button's form owner.
* _self: Load the response into the same browsing context as the current one. This value is the default if the attribute is not specified.
  • _blank: Load the response into a new unnamed browsing context.
  • _parent: Load the response into the parent browsing context of the current one. If there is no parent, this option behaves the same way as _self.
  • _top: Load the response into the top-level browsing context (that is, the browsing context that is an ancestor of the current one, and has no parent). If there is no parent, this option behaves the same way as _self. (HTML5)
name name The name of the button, which is submitted with the form data.
type submit
reset
button
The type of the button.


  • submit: The button submits the form data to the server. This is the default if the attribute is not specified, or if the attribute is dynamically changed to an empty or invalid value.
  • reset: The button resets all the controls to their initial values.
  • button: The button has no default behavior. It can have client-side scripts associated with the element's events, which are triggered when the events occur.
value value The initial value of the button.


HTML example:

<button type="button">
<img src="50x50Square.png" /> Click this button.
</button>


To create simpler buttons, use <input type="button" value="Text on button" />.

Rendering

The rendering of button elements, like most form elements, is heavily dependent on the configuration of the operating system. The <button> element normally looks identical to the <input> types "reset", "button" and "submit".

Typical CSS representation

button {
  padding: 0px 6px 0px 6px;
  border: 2px outset ButtonFace;
  background-color: ButtonFace;
  color: ButtonText; 
  line-height: normal;
  cursor: default;
  text-align: center;
  text-indent: 0;
  text-shadow: none;
}
 
button:active:hover {
  padding: 0px 5px 0px 7px;
  border-style: inset;
  background-color: ButtonFace;
  color: ButtonText;
}
 
button:disabled:active, button:disabled {
  padding: 0px 6px 0px 6px;
  border: 2px outset ButtonFace;
  color: GrayText;
  cursor: inherit; 
}

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