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Summary

The button type of the input element represents a button with no default behavior. Compare with the button element which offers default behaviours with via attributes.

Overview Table

DOM Interface
HTMLInputElement

Examples

This example uses the INPUT type=button element to define a button that responds appropriately when clicked.

<input type=button id=btnEmergency value="In case of emergency,
push this button!"
    onClick="alert('Aaaaaaaggggghh!!!!')">

Notes

Remarks

As of Windows Internet Explorer 7, the input type=button object no longer supports the DATAFORMATAS attribute.

Standards information

HTML information

Closing Tag forbidden
CSS Display inline
### Members

The input type=button object has these types of members:

  • [#events Events]
  • [#methods Methods]
  • [#properties Properties]

Events

The input type=button object has these events.

EventDescription
onabortFires when the user aborts the download.
onactivateFires when the object is set as the active element.
onafterupdateFires on a databound object after successfully updating the associated data in the data source object.
onbeforeactivateFires immediately before the object is set as the active element.
onbeforecopyFires on the source object before the selection is copied to the system clipboard.
onbeforecutFires on the source object before the selection is deleted from the document.
onbeforedeactivateFires immediately before the activeElement is changed from the current object to another object in the parent document.
onbeforeeditfocusFires before an object contained in an editable element enters a UI Activation state or when an editable container object is control selection.
onbeforepasteFires on the target object before the selection is pasted from the system clipboard to the document.
onbeforeupdateFires on a databound object before updating the associated data in the data source object.
onblurFires when the object loses the input focus.
oncellchangeFires when data changes in the data provider.
onchangeFires when the contents of the object or selection have changed.
onclickFires when the user clicks the left mouse button on the object.
oncontextmenuFires when the user clicks the right mouse button in the client area, opening the context menu.
oncontrolselectFires when the user is about to make a control selection of the object.
oncutFires on the source element when the object or selection is removed from the document and added to the system clipboard.
ondataavailableFires periodically as data arrives from data source objects that asynchronously transmit their data.
ondatasetchangedFires when the data set exposed by a data source object changes.
ondatasetcompleteFires to indicate that all data is available from the data source object.
ondblclickFires when the user double-clicks the object.
ondeactivateFires when the activeElement is changed from the current object to another object in the parent document.
ondragFires on the source object continuously during a drag operation.
ondragendFires on the source object when the user releases the mouse at the close of a drag operation.
ondragenterFires on the target element when the user drags the object to a valid drop target.
ondragleaveFires on the target object when the user moves the mouse out of a valid drop target during a drag operation.
ondragoverFires on the target element continuously while the user drags the object over a valid drop target.
ondragstartFires on the source object when the user starts to drag a text selection or selected object.
ondropFires on the target object when the mouse button is released during a drag-and-drop operation.
onerrorFires when an error occurs during object loading.
onerrorupdateFires on a databound object when an error occurs while updating the associated data in the data source object.
onfilterchangeFires when a visual filter changes state or completes a transition.
onfocusFires when the object receives focus.
onfocusinFires for an element just prior to setting focus on that element.
onfocusoutFires for the current element with focus immediately after moving focus to another element.
onhelpFires when the user presses the F1 key while the client is the active window.
oninputOccurs when the text content of an element is changed through the user interface.
onkeydownFires when the user presses a key.
onkeypressFires when the user presses an alphanumeric key.
onkeyupFires when the user releases a key.
onlayoutcompleteFires when the print or print preview layout process finishes filling the current LayoutRect object with content from the source document.
onloadFires immediately after the client loads the object.
onlosecaptureFires when the object loses the mouse capture.
onmousedownFires when the user clicks the object with either mouse button.
onmouseenterFires when the user moves the mouse pointer into the object.
onmouseleaveFires when the user moves the mouse pointer outside the boundaries of the object.
onmousemoveFires when the user moves the mouse over the object.
onmouseoutFires when the user moves the mouse pointer outside the boundaries of the object.
onmouseoverFires when the user moves the mouse pointer into the object.
onmouseupFires when the user releases a mouse button while the mouse is over the object.
onmousewheelFires when the wheel button is rotated.
onmoveFires when the object moves.
onmoveendFires when the object stops moving.
onmovestartFires when the object starts to move.
onpasteFires on the target object when the user pastes data, transferring the data from the system clipboard to the document.
onpropertychangeFires when a property changes on the object.
onreadystatechangeFires when the state of the object has changed.
onresetFires when the user resets a form.
onresizeFires when the size of the object is about to change.
onresizeendFires when the user finishes changing the dimensions of the object in a control selection.
onresizestartFires when the user begins to change the dimensions of the object in a control selection.
onrowenterFires to indicate that the current row has changed in the data source and new data values are available on the object.
onrowexitFires just before the data source control changes the current row in the object.
onrowsdeleteFires when rows are about to be deleted from the recordset.
onrowsinsertedFires just after new rows are inserted in the current recordset.
onscrollFires when the user repositions the scroll box in the scroll bar on the object.
onselectFires when the current selection changes.
onselectstartFires when the object is being selected.

Methods

The input type=button object has these methods.

Method Description
addBehavior Attaches a behavior to the element.

This method is not supported for Metro style apps using JavaScript.

appendChild Appends an element as a child to the object.
applyElement Makes the element either a child or parent of another element.
attachEvent Binds the specified function to an event, so that the function gets called whenever the event fires on the object.
blur Causes the element to lose focus and fires the onblur event.
clearAttributes Removes all attributes and values from the object.
click Simulates a click by causing the onclick event to fire.
cloneNode Copies a reference to the object from the document hierarchy.
compareDocumentPosition Compares the position of two nodes in a document.
componentFromPoint Returns the component located at the specified coordinates via certain events.
contains Checks whether the given element is contained within the object.
createTextRange Creates a TextRange object for the element.
detachEvent Unbinds the specified function from the event, so that the function stops receiving notifications when the event fires.
doScroll Simulates a click on a scroll bar component.
dragDrop Initiates a drag event.
fireEvent Fires a specified event on the object.
focus Causes the element to receive the focus and executes the code specified by the onfocus event.
getAdjacentText Returns the adjacent text string.
getAttribute Retrieves the value of the specified attribute.
getAttributeNode Retrieves an attribute object referenced by the attribute.name property.
getAttributeNodeNS Gets an attribute object that matches the specified namespace and name.
getAttributeNS Gets the value of the specified attribute within the specified namespace.
getBoundingClientRect Retrieves an object that specifies the bounds of a collection of TextRectangle objects.
getClientRects Retrieves a collection of rectangles that describes the layout of the contents of an object or range within the client. Each rectangle describes a single line.
getElementsByClassName Gets a collection of objects that are based on the value of the CLASS attribute.
getElementsByTagNameNS Gets a collection of objects that are based on the specified element names within a specified namespace.
hasAttribute Determines whether an attribute with the specified name exists.
hasAttributeNS Determines whether an attribute that has the specified namespace and name exists.
hasAttributes Determines whether one or more attributes exist for the object.
hasChildNodes Returns a value that indicates whether the object has children.
insertAdjacentElement Inserts an element at the specified location.
insertAdjacentHTML Inserts the given HTML text into the element at the location.
insertAdjacentText Inserts the given text into the element at the specified location.
insertBefore Inserts an element into the document hierarchy as a child node of a parent object.
isDefaultNamespace Indicates whether or not a namespace is the default namespace for a document.
isEqualNode Determines if two nodes are equal.
isSameNode Determines if two node references refer to the same node.
isSupported Returns a value indicating whether or not the object supports a specific DOM standard.
lookupNamespaceURI Gets the URI of the namespace associated with a namespace prefix, if any.
lookupPrefix Gets the namespace prefix associated with a URI, if any.
mergeAttributes Copies all read/write attributes to the specified element.
msMatchesSelector Determines whether an object matches the specified selector.
normalize Merges adjacent DOM objects to produce a normalized document object model.
querySelector Retrieves the first DOM

element node from descendants of the starting element node that match any selector within the supplied selector string.

querySelectorAll Retrieves all DOM

element nodes from descendants of the starting element node that match any selector within the supplied selector strings.

releaseCapture Removes mouse capture from the object in the current document.
removeAttribute Removes an attribute from an object.
removeAttributeNode Removes an attribute object from the object.
removeAttributeNS Removes the specified attribute from the object.
removeBehavior Detaches a behavior from the element.
removeChild Removes a child node from the object.
removeNode Removes the object from the document hierarchy.
replaceAdjacentText Replaces the text adjacent to the element.
replaceChild Replaces an existing child element with a new child element.
replaceNode Replaces the object with another element.
scrollIntoView Causes the object to scroll into view, aligning it either at the top or bottom of the window.
select Highlights the input area of a form element.
setActive Sets the object as active without setting focus to the object.
setAttribute Sets the value of the specified attribute.
setAttributeNode Sets an attribute object node as part of the object.
setAttributeNodeNS Sets an attribute object as part of the object.
setAttributeNS Sets the value of the specified attribute within the specified namespace.
setCapture Sets the mouse capture to the object that belongs to the current document.
swapNode Exchanges the location of two objects in the document hierarchy.

Properties

The input type=button object has these properties.

Property Description
accessKey Sets or retrieves the access key for the object.
ATOMICSELECTION Specifies whether the element and its contents must be selected as a whole, indivisible unit.
attributes Retrieves a collection of attributes of the object.
canHaveChildren Gets a value indicating whether the object can contain child objects.
canHaveHTML Retrieves the value indicating whether the object can contain rich HTML markup.
childElementCount Retrieves the number of immediate child nodes of the current element or a zero if the element does not contain any child nodes. childElementCount does not return all child nodes, only child nodes that are nodeType =1, or element nodes.
className Sets or retrieves the class of the object.
clientHeight Retrieves the height of the object including padding, but not including margin, border, or scroll bar.
clientLeft Retrieves the distance between the offsetLeft property and the true left side of the client area.
clientTop Retrieves the distance between the offsetTop property and the true top of the client area.
clientWidth Retrieves the width of the object including padding, but not including margin, border, or scroll bar.
contentEditable Sets or retrieves the string that indicates whether the user can edit the content of the object.
dataFld Sets or retrieves a field of a given data source, as specified by the dataSrc property, to bind to the specified object.
dataFormatAs Sets or retrieves the rendering format for the data supplied to the object.
dataSrc Sets or retrieves the source of the data for data binding.
defaultValue Sets or retrieves the initial contents of the object.
dir Sets or retrieves the reading order of the object.
disabled Sets or retrieves a value that indicates whether the user can interact with the object.
firstChild Gets a reference to the first child in the childNodes collection of the object.
firstElementChild Retrieves a reference to the first child element, or NULL if there are no child elements.
form Retrieves a reference to the form that the object is embedded in.
hideFocus Sets or gets the value that indicates whether the object visibly shows that it has focus.
id Sets or retrieves the string identifying the object.
innerHTML Sets or retrieves the HTML between the start and end tags of the object.
innerText Sets or retrieves the text between the start and end tags of the object.
isContentEditable Gets the value that indicates whether the user can edit the contents of the object.
isDisabled Gets the value that indicates whether the user can interact with the object.
isMultiLine Retrieves the value indicating whether the content of the object contains one or more lines.
isTextEdit Retrieves whether a TextRange object can be created using the object.
lang Sets or retrieves the language to use.
language Sets or retrieves the language in which the current script is written.
lastChild Gets a reference to the last child in the childNodes collection of an object.
lastElementChild Retrieves a reference to the last child element or NULL if there are no child elements.
localName Retrieves the local name of the fully qualified XML declaration for a node.
name Sets or retrieves the name of the object.
namespaceURI Retrieves the namespace URI of the fully qualified XML declaration for a node.
nextElementSibling Retrieves a reference to the sibling element that immediately follows or NULL if the element does not have any sibling elements that follow it.
nextSibling Retrieves a reference to the next child of the parent for the object.
nodeName Gets the name of a particular type of node.
nodeType Retrieves the type of the requested node.
nodeValue Gets or sets the value of a node.
offsetHeight Retrieves the height of the object relative to the layout or coordinate parent, as specified by the offsetParent property.
offsetLeft Retrieves the calculated left position of the object relative to the layout or coordinate parent, as specified by the offsetParent property.
offsetParent Retrieves a reference to the container object that defines the offsetTop and offsetLeft properties of the object.
offsetTop Retrieves the calculated top position of the object relative to the layout or coordinate parent, as specified by the offsetParent property.
offsetWidth Retrieves the width of the object relative to the layout or coordinate parent, as specified by the offsetParent property.
outerHTML Sets or retrieves the object and its content in HTML.
outerText Sets or retrieves the text of the object.
ownerDocument Retrieves the Document object associated with the node.
parentElement Retrieves the parent object in the object hierarchy.
parentNode Retrieves the parent object in the document hierarchy.
parentTextEdit Retrieves the container object in the document hierarchy that can be used to create a TextRange containing the original object.
prefix Retrieves the local name of the fully qualified XML declaration for a node.
previousElementSibling Retrieves a reference to the immediately preceding sibling element or NULL if the element does not have any preceding siblings.
previousSibling Gets a reference to the previous child of the parent for the object.
readyState Retrieves a value that indicates the current state of the object.
recordNumber Retrieves the ordinal record from the data set that generated the object.
role Sets or retrieves the role for this element.
scopeName Gets the namespace defined for the element.

This property is not supported for Metro style apps using JavaScript.

scrollHeight Retrieves the scrolling height of the object.
scrollLeft Sets or retrieves the distance between the left edge of the object and the leftmost portion of the content currently visible in the window.
scrollTop Sets or retrieves the distance between the top of the object and the topmost portion of the content currently visible in the window.
scrollWidth Retrieves the scrolling width of the object.
size Sets or retrieves the size of the control.
sourceIndex Retrieves the ordinal position of the object, in source order, as the object appears in the document's all collection.
status Sets or retrieves the value indicating whether the control is selected.
STYLE Sets an inline style for the element.
tabIndex Sets or retrieves the index that defines the tab order for the object.
tagName Retrieves the tag name of the object.
tagUrn Sets or gets the URN specified in the namespace declaration.

This property is not supported for Metro style apps using JavaScript.

textContent Sets or retrieves the text content of an object and any child objects.
title Sets or retrieves advisory information (a ToolTip) for the object.
type Retrieves or initially sets the type of input control represented by the object.
uniqueID Retrieves an autogenerated, unique identifier for the object.
uniqueNumber Retrieves the element's unique number.
value Sets or retrieves the displayed value for the control object. This value is returned to the server when the control object is submitted.
width Sets or retrieves the calculated width of the object.

See also

Other articles

Related pages