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script element | script object

Specifies a script for the document that is interpreted by a script engine.

Document Object Model (DOM) Level 2 HTML Specification, Section 1.6.5HTML 4.01 Specification, Section 18.2.1

 

DOM Information

Inheritance Hierarchy

 Node
  Element
   HTMLElement
     script

Members

The script object has these types of members:

Events

The script object has these events.

EventDescription
abort

Fires when the user aborts the download.

afterupdate

Fires on a databound object after successfully updating the associated data in the data source object.

beforecopy

Fires on the source object before the selection is copied to the system clipboard.

beforeupdate

Fires on a databound object before updating the associated data in the data source object.

cellchange

Fires when data changes in the data provider.

change

Fires when the contents of the object or selection have changed.

dataavailable

Fires periodically as data arrives from data source objects that asynchronously transmit their data.

datasetchanged

Fires when the data set exposed by a data source object changes.

error

Fires when an error occurs during object loading.

errorupdate

Fires on a databound object when an error occurs while updating the associated data in the data source object.

filterchange

Fires when a visual filter changes state or completes a transition.

input

Occurs when the text content of an element is changed through the user interface.

layoutcomplete

Fires when the print or print preview layout process finishes filling the current LayoutRect object with content from the source document.

load

Fires immediately after the client loads the object.

ondatasetcomplete

Fires to indicate that all data is available from the data source object.

onselect

Fires when the current selection changes.

propertychange

Fires when a property changes on the object.

Note  The onpropertychange event is only supported in conjunction with the legacy attachEvent IE-only event registration model, which has deprecated since Internet Explorer 9 in favor of the W3C standard "addEventListener" event model.

readystatechange

Fires when the state of the object has changed.

reset

Fires when the user resets a form.

resize

Fires when the size of the object is about to change.

rowenter

Fires to indicate that the current row has changed in the data source and new data values are available on the object.

rowexit

Fires just before the data source control changes the current row in the object.

rowsdelete

Fires when rows are about to be deleted from the recordset.

rowsinserted

Fires just after new rows are inserted in the current recordset.

 

Methods

The script object has these methods.

MethodDescription
addBehavior

Attaches a behavior to the element.

applyElement

Makes the element either a child or parent of another element.

attachEvent

Note   attachEvent is no longer supported. Starting with IE11, use addEventListener. For info, see Compatibility changes.

Binds the specified function to an event, so that the function gets called whenever the event fires on the object.

clearAttributes

Removes all attributes and values from the object.

cloneNode

Copies a reference to the object from the document hierarchy.

componentFromPoint

Returns the component located at the specified coordinates via certain events.

detachEvent

Unbinds the specified function from the event, so that the function stops receiving notifications when the event fires.

doScroll

Note   doScroll is no longer supported. Starting with IE11, use scrollLeft or scrollTop. For info, see Compatibility changes.

Simulates a click on a scroll bar component.

dragDrop

Initiates a drag event.

fireEvent

Fires a specified event on the object.

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.

getElementsByClassName

Gets a collection of objects that are based on the value of the class attribute.

getElementsByTagName

Retrieves a collection of objects based on the specified element name.

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.

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.

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.

removeNode

Removes the object from the document hierarchy.

replaceAdjacentText

Replaces the text adjacent to the element.

replaceNode

Replaces the object with another 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 script object has these properties.

PropertyAccess typeDescription

animation

Read/write

Specifies shorthand values that define animation properties for object properties identified in the @keyframes at-rule of the animations-name property.

animationDelay

Read/write

Specifies the offset within an animation cycle (the amount of time from the start of a cycle) before the animation is displayed for a set of corresponding object properties identified in the CSS @keyframes at-rule specified by the animation-name property.

animationDirection

Read/write

Specifies the direction of play for an animation cycle.

animationDuration

Read/write

Specifies the length of time to complete one cycle of the animation.

animationFillMode

Read/write

Specifies whether the effects of an animation are visible before or after it plays.

animationIterationCount

Read/write

Specifies the number of times an animation cycle is played.

animationName

Read/write

Identifies one or more animation names. An animation name selects a CSS @keyframes at-rule.

animationPlayState

Read/write

Specifies whether an animation is playing or paused.

animationTimingFunction

Read/write

Specifies the intermediate property values to be used during a single cycle of an animation on a set of corresponding object properties identified in the CSS @keyframes at-rule specified by the animation-name property.

attributes

Retrieves a collection of attributes of the object.

backfaceVisibility

Read/write

Gets or sets a value that specifies whether the back face (reverse side) of an object is visible.

breakAfter

Read/write

Gets or sets the column-break behavior that follows a content block in a multi-column element.

breakBefore

Read/write

Gets or sets the column-break behavior that precedes a content block in a multi-column element.

breakInside

Read/write

Gets or sets the column-break behavior that occurs within a content block in a multi-column element.

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.

charset

Sets or retrieves the character set used to encode the object.

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.

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.

columnCount

Read/write

Gets or sets the optimal number of columns in a multi-column element.

columnFill

Read/write

Gets or sets a value that indicates how the column lengths in a multi-column element are affected by the content flow.

columnGap

Read/write

Gets or sets the width of the gap between columns in a multi-column element.

columnRule

Read/write

Gets or sets a shorthand value that specifies values for the columnRuleWidth, columnRuleStyle, and the columnRuleColor of a multi-column element.

columnRuleColor

Read/write

Gets or sets the color for all column rules in a multi-column element.

columnRuleStyle

Read/write

Gets or sets the style for all column rules in a multi-column element.

columnRuleWidth

Read/write

Gets or sets the width of all column rules in a multi-column element.

columnSpan

Read/write

Gets or sets the number of columns that a content block spans in a multi-column element.

columnWidth

Read/write

Gets or sets the optimal width of the columns in a multi-column element.

constructor

Returns a reference to the constructor of an object.

defer

Sets or retrieves the status of the script.

event

Sets or retrieves the event for which the script is written.

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.

htmlFor

Sets or retrieves the object that is bound to the event script.

id

Sets or retrieves the string identifying 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.

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.

lazyload

Lowers the loading priority of a resource.

msGridColumn

Read/write

Gets or sets a value that specifies in which column of the grid to place the object.

msGridColumnAlign

Read/write

Gets or sets a value that specifies the horizontal alignment of the object within the grid column.

msGridColumns

Read/write

Gets or sets one or more values that specify the width of each grid column within the object.

msGridColumnSpan

Read-only

Gets or sets a value that specifies the number of columns of the grid that the object spans.

msGridRow

Read/write

Gets or sets a value that specifies in which row of the grid to place the object.

msGridRowAlign

Read/write

Gets or sets a value that specifies the vertical alignment of the object within the grid row.

msGridRows

Read/write

Gets or sets one or more values that specify the height of each grid row within the object.

msGridRowSpan

Read/write

Gets or sets a value that specifies the number of rows of the grid that the object spans.

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.

ownerDocument

Retrieves the document object associated with the node.

parentNode

Retrieves the parent object in the document hierarchy.

perspective

Read/write

Gets or sets a value that represents the perspective from which all child elements of the object are viewed.

perspectiveOrigin

Read/write

Gets or sets one or two values that represent the origin (the vanishing point for the 3-D space) of an object with an perspective property declaration.

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.

role

Sets or retrieves the role for this element.

scopeName

Gets the namespace defined for the element.

This property is not supported for Windows Store 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.

src

Retrieves the URL to an external file that contains the source code or data.

tagUrn

Sets or gets the URN specified in the namespace declaration.

This property is not supported for Windows Store apps using JavaScript.

text

Retrieves or sets the text of the object as a string.

transformStyle

Read/write

Gets or sets a value that specifies how child elements of the object are rendered in 3-D space.

transition

Read/write

Gets or sets one or more shorthand values that specify the transition properties for a set of corresponding object properties identified in the transition-property property.

transitionDelay

Read/write

Gets or sets one or more values that specify the offset within a transition (the amount of time from the start of a transition) before the transition is displayed for a set of corresponding object properties identified in the transition property.

transitionDuration

Read/write

Gets or sets one or more values that specify the durations of transitions on a set of corresponding object properties identified in the transition-property property.

transitionProperty

Read/write

Gets or sets a value that identifies the CSS property name or names to which the transition effect (defined by the transition-duration, transition-timing-function, and transition-delay properties) is applied when a new property value is specified.

transitionTimingFunction

Read/write

Gets or sets one or more values that specify the intermediate property values to be used during a transition on a set of corresponding object properties identified in the transition-property property.

type

Sets or retrieves the MIME type for the associated scripting engine.

uniqueID

Retrieves an autogenerated, unique identifier for the object.

usedCharset

Gets the character set used to decode the current document.

 

Standards information

Remarks

Starting with Windows 8.1, dynamically added script elements load asynchronously for Windows Runtime apps using JavaScript. To learn more, see API Changes for Windows 8.1.

Code within the script block that is not contained within a function is executed immediately as the document is loaded. To keep scripts from being displayed, nest the script block within a comment block.

Script appearing after a frameSet element is ignored.

Whenever the language attribute is not defined on the script object, then MSHTML attempts to select a suitable scripting engine. An error generally occurs if the wrong scripting engine is selected. When more than one script object is used in a document, it can be necessary to specify the language attribute for each script object, and doing so is always recommended. The order of the script objects in a document can also be important, especially if scripting event handlers are assigned to one or more elements in the document. XML is legitimate content for the script object, but XML is not a scripting language. Therefore, an error can occur if MSHTML selects an XML data island as the script object that contains an event handler function. This can happen because MSHTML selects the first script object that has the language attribute defined as the default script block for event handlers. For more information, see the examples.

Windows Internet Explorer 8 and later. The value of the src attribute depends on the current document compatibility mode.

Note  As of Internet Explorer 10, use the type attribute for languages other than JavaScript. The default type value of Internet Explorer 10 for just the script element is JavaScript, so type and language attributes can be omitted if you're using JavaScript.

Examples

The following code snippet provides a scenario where an error occurs.


<html>

<head>
<script id="mySrc1" language="XML">
<offerings>
 <class><materials>This should render.</materials><time>1.5
hr</time></class>
</offerings>
</script>
<script language="javascript">
function returnIslandRootName()
{
  var islandRoot = document.all["mySrc1"].XMLDocument;
  console.log(islandRoot.nodeName);
}
</script>
</head>

<body>

<button onclick="returnIslandRootName()">Test the XML Data Island</button>

</body>

</html>


Because the XML data island is the first instance of the script object that has the language attribute defined, MSHTML attempts to locate the returnIslandRootName function in the XML and fails. To correct the sample, the order of the script objects can change, as shown by the following example:


<html>
<head>
<script language="javascript">
function returnIslandRootName()
{
  var islandRoot = document.all["mySrc1"].XMLDocument;
  console.log(islandRoot.nodeName);
}
</script>
<script language="XML" id="mySrc1">
<offerings>
 <class><materials>This should render.</materials><time>1.5
hr</time></class>
</offerings>
</script>
</head>
<body>
<button onclick="returnIslandRootName()">Test the XML Data Island</button>
</body>
</html>

See also

XML Data Islands

 

 

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