ExampleA button is marked up as follows: |
Browser Support
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1. 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.
Tip: Always specify the type attribute for a <button> element. Different browsers may use different default types for the <button> element.
2. Tips and Notes
Important: If you use the <button> element in an HTML form, different browsers may submit different values. Internet Explorer, prior version 9, 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.
3. Differences Between HTML 4.01 and HTML5
HTML5 has the following new attributes: autofocus, form, formaction, formenctype, formmethod, formnovalidate, and formtarget.
4. 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 button | STF |
| value | text | Specifies the initial value for a button | STF |
5. Standard Attributes
The <button> tag supports the Standard Attributes in HTML.
6. Event Attributes
The <button> tag also supports the Standard Event Attributes in HTML.
