What is HTML <button> tag ?
HTML <button> tag defines a clickable button.
HTML <button> tag represents a clickable type press button.
Inside a <button> tag we can put any text for naming the button.
The “type” attribute for a <button> element tells the browsers what type of button it is.
We can easily style the buttons with CSS.
Why HTML <button> tag is used ?
HTML <button> tag is used to submit the forms in webpages.
Since its a clickable button, so it can be used anywhere inside the webpage.
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Syntax :
<button type="button">Button Name</button>
Example :
<!DOCTYPE html>
<html>
<head>
<title>Webpage Title</title>
</head>
<body>
<!--Contents of the webpage-->
<p>Button tag</p>
<button type="button">Click Here</button>
</body>
</html>
Output :
<button> Tag Attributes
HTML <button> tag support following specific attributes.
| Sno | Attributes | Value | Description |
|---|---|---|---|
| 1 | name | text | Specifies the name of the button, which is identify at the time of submitted. |
| 2 | type | button reset submit | Specify no default behavior at client side. Specify the form data will initial values. Specify the data submits to the server. |
| 3 | value | value | Specify the intial value of the button. |
Following attributes are newly introduce in HTML5.
| Sno | Attributes | Value | Description |
|---|---|---|---|
| 1 | autofocus | autofocus false | Specifies boolean value that indicates <button> element should be automatically get focus when it load. |
| 2 | disabled | disabled | Specifies disabled value that indicates button should have disabled. |
| 3 | form | form_id | Specify one or more forms that associate with button element. |
| Following attributes use only form type=”submit”. | |||
| 4 | formaction | url | Specifies the url where the form information submitted. |
| 5 | formenctype | application/x-www-form-urlencoded multipart/form-data text/plain | Specifies the form data encoding before submit to server. |
| 6 | formmethod | post get | Specifies the type of form data submit. |
| 7 | formnovalidate | formnovalidate boolean | Specifies that form is not validated at the time of submit. |
| 8 | formtarget | _self _blank _parent _top | This attribute indicating, where to display the form response that is received after submitting the form. |
Global Attributes
HTML <button> tag support following global attributes.
| Sno | Attributes | Value | Description |
|---|---|---|---|
| 1 | id | unique_name | Declared unique id for an element. |
| 2 | class | class_name | Declared one or more classnames for an element. |
| 3 | style | styles | CSS inline styles specify an element. |
| 4 | title | title | Specify extra details of element contain, this will display as a “tooltip” for an elements. |
Event Attributes
HTML <button> tag support following event attributes.
| Sno | Attributes | Value | Description |
|---|---|---|---|
| 1 | onfocus | script | element gets focus on object when script tobe run. |
| 2 | onblur | script | element lose the focus on object when scrip tobe run. |
| 3 | onabort | script | element gets aborted on object when script tobe run. |
| 4 | onchange | script | element gets anytime change on object when script tobe run. |
| 5 | onbeforeunload | script | element gets unloaded on object when scrip tobe run. |
| 6 | onclick | script | clicked on object when script tobe run. |
| 7 | ondblclick | script | double click on object when script tobe run. |
| 8 | onkeydown | script | key is pressed when script tobe run. |
| 9 | onkeypress | script | key is pressed over element then released when script tobe run. |
| 10 | onkeyup | script | key is released over element when script tobe run. |
| 11 | onmousedown | script | mouse button was pressed over an element when script tobe run. |
| 12 | onmouseout | script | mouse pointer release over an element when script tobe run. |
| 13 | onmousemove | script | run mouse pointer moved when script tobe run. |
| 14 | onmouseover | script | run mouse pointer move over when script tobe run. |
| 15 | onmouseup | script | mouse button is released when script tobe run. |
| 16 | onreset | script | form has been reset when script tobe run. |
| 17 | onselect | script | Select some content when script tobe run. |
| 18 | onsubmit | script | form has been submitted when script tobe run. |
| 19 | onload | script | object has load when script tobe run. |
| 20 | onchange | script | allow to change the object when script tobe run. |
| 21 | onunload | script | unload to the browser window when script tobe run. |
| 22 | ondrag | script | element being dragged when script tobe run. |
| 23 | ondragend | script | element being stop dragged when script tobe run. |
| 24 | ondragenter | script | element being go target dragged when script tobe run. |
| 25 | ondragleave | script | element being leave to target dragged when script tobe run. |
| 26 | ondragover | script | element being over to target dragged when script tobe run. |
| 27 | ondragstart | script | element being start dragged when script tobe run. |
| 28 | ondrop | script | element being dropped when script tobe run. |
| 29 | onerror | script | element error occurs when script tobe run. |
| 30 | onmessage | script | element message display when script tobe run. |
| 31 | onerror | script | element error occurs when script tobe run. |
| 32 | onmousewheel | script | mouse wheel will be rotate when script tobe run. |
| 33 | onscroll | script | scrollbar is scroll when script tobe run. |
| 34 | onresize | script | element should be resize when script tobe run. |
| 35 | onselect | script | all element content selected when script tobe run. |
| 36 | onstorage | script | element should be store in target when script tobe run. |
Browser Compatibility
| Sno | Browser | Support |
| 1 | Chrome | Yes |
| 2 | Firefox | Yes |
| 3 | Edge | Yes |
| 4 | Opera | Yes |
| 5 | Safari | Yes |
| 6 | Internet Explorer | Yes |