TAG button

Example

A button is marked up as follows:
<button type="button">Click Me!</button>

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Definition and Usage

The <button> tag defines a push button.
Inside a button element you can put content, like text or images. This is the difference between this element and buttons created with the input element.
Always specify the type attribute for the button. The default type for Internet Explorer is "button", while in other browsers (and in the W3C specification) it is "submit".

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari
The <button> tag is supported in all major browsers.
Important: If you use the button element in an HTML form, different browsers will submit different values. Internet Explorer will submit the text between the <button> and </button> tags, while other browsers will submit the content of the value attribute. Use the input element to create buttons in an HTML form.

Differences Between HTML and XHTML

NONE

Optional Attributes

DTD indicates in which HTML 4.01/XHTML 1.0 DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.
Attribute Value Description DTD
disabled disabled Specifies that a button should be disabled STF
name name Specifies the name for a button STF
type button
reset
submit 
Specifies the type of a button STF
value text Specifies the underlying value of a button STF


Standard Attributes

The <button> tag supports the following standard attributes:
Attribute Value Description DTD
accesskey character Specifies a keyboard shortcut to access an element STF
class classname Specifies a classname for an element STF
dir rtl
ltr
Specifies the text direction for the content in an element STF
id id Specifies a unique id for an element STF
lang language_code Specifies a language code for the content in an element STF
style style_definition Specifies an inline style for an element STF
tabindex number Specifies the tab order of an element STF
title text Specifies extra information about an element STF
xml:lang language_code Specifies a language code for the content in an element, in XHTML documents STF
More information about Standard Attributes.

Event Attributes

The <button> tag supports the following event attributes:
Attribute Value Description DTD
onblur script Script to be run when an element loses focus STF
onclick script Script to be run on a mouse click STF
ondblclick script Script to be run on a mouse double-click STF
onfocus script Script to be run when an element gets focus STF
onmousedown script Script to be run when mouse button is pressed STF
onmousemove script Script to be run when mouse pointer moves STF
onmouseout script Script to be run when mouse pointer moves out of an element STF
onmouseover script Script to be run when mouse pointer moves over an element STF
onmouseup script Script to be run when mouse button is released STF
onkeydown script Script to be run when a key is pressed STF
onkeypress script Script to be run when a key is pressed and released STF
onkeyup script Script to be run when a key is released STF
More information about Event Attributes.
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