JavaScript/jQuery Accordion API
The Accordion widget contains several panels displayed one under another. These panels can be collapsed or expanded by an end user, which makes this widget very useful for presenting information in a limited amount of space.
See Also
- Set Up DevExtreme: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Configuration
Name | Description |
---|---|
accessKey |
Specifies the shortcut key that sets focus on the widget. |
activeStateEnabled |
Specifies whether or not the widget changes its state when interacting with a user. |
animationDuration |
A number specifying the time in milliseconds spent on the animation of the expanding or collapsing of a panel. |
collapsible |
Specifies whether all items can be collapsed or whether at least one item must always be expanded. |
dataSource |
Binds the widget to data. |
deferRendering |
Specifies whether to render the panel's content when it is displayed. If false, the content is rendered immediately. |
disabled |
Specifies whether the widget responds to user interaction. |
elementAttr |
Specifies the attributes to be attached to the widget's root element. |
focusStateEnabled |
Specifies whether the widget can be focused using keyboard navigation. |
height |
Specifies the widget's height. |
hint |
Specifies text for a hint that appears when a user pauses on the widget. |
hoverStateEnabled |
Specifies whether the widget changes its state when a user pauses on it. |
itemComponent |
An alias for the itemTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information. |
itemHoldTimeout |
The time period in milliseconds before the onItemHold event is raised. |
itemRender |
An alias for the itemTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information. |
items |
An array of items displayed by the widget. |
itemTemplate |
Specifies a custom template for items. |
itemTitleComponent |
An alias for the itemTitleTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information. |
itemTitleRender |
An alias for the itemTitleTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information. |
itemTitleTemplate |
Specifies a custom template for item titles. |
keyExpr |
Specifies the key property that provides key values to access data items. Each key value must be unique. |
multiple |
Specifies whether the widget can expand several items or only a single item at once. |
noDataText |
The text or HTML markup displayed by the widget if the item collection is empty. |
onContentReady |
A function that is executed when the widget's content is ready and each time the content is changed. |
onDisposing |
A function that is executed before the widget is disposed of. |
onInitialized |
A function used in JavaScript frameworks to save the widget instance. |
onItemClick |
A function that is executed when a collection item is clicked or tapped. |
onItemContextMenu |
A function that is executed when a collection item is right-clicked or pressed. |
onItemHold |
A function that is executed when a collection item has been held for a specified period. |
onItemRendered |
A function that is executed after a collection item is rendered. |
onItemTitleClick |
A function that is executed when an accordion item's title is clicked or tapped. |
onOptionChanged |
A function that is executed after a widget option is changed. |
onSelectionChanged |
A function that is executed when a collection item is selected or selection is canceled. |
repaintChangesOnly |
Specifies whether to repaint only those elements whose data changed. |
rtlEnabled |
Switches the widget to a right-to-left representation. |
selectedIndex |
The index number of the currently selected item. |
selectedItem |
The selected item object. |
selectedItemKeys |
Specifies an array of currently selected item keys. |
selectedItems |
An array of currently selected item objects. |
tabIndex |
Specifies the number of the element when the Tab key is used for navigating. |
visible |
Specifies whether the widget is visible. |
width |
Specifies the widget's width. |
See Also
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Methods
Name | Description |
---|---|
beginUpdate() |
Prevents the widget from refreshing until the endUpdate() method is called. |
collapseItem(index) |
Collapses an item with a specific index. |
defaultOptions(rule) |
Specifies the device-dependent default configuration options for this component. |
dispose() |
Disposes of all the resources allocated to the Accordion instance. |
element() |
Gets the root widget element. |
endUpdate() |
Refreshes the widget after a call of the beginUpdate() method. |
expandItem(index) |
Expands an item with a specific index. |
focus() |
Sets focus on the widget. |
getDataSource() |
Gets the DataSource instance. |
getInstance(element) |
Gets the instance of a widget found using its DOM node. |
instance() |
Gets the widget's instance. Use it to access other methods of the widget. |
off(eventName) |
Detaches all event handlers from a single event. |
off(eventName, eventHandler) |
Detaches a particular event handler from a single event. |
on(eventName, eventHandler) |
Subscribes to an event. |
on(events) |
Subscribes to events. |
option() |
Gets all widget options. |
option(optionName) |
Gets the value of a single option. |
option(optionName, optionValue) |
Updates the value of a single option. |
option(options) |
Updates the values of several options. |
registerKeyHandler(key, handler) |
Registers a handler to be executed when a user presses a specific key. |
repaint() |
Repaints the widget without reloading data. Call it to update the widget's markup. |
resetOption(optionName) |
Resets an option to its default value. |
updateDimensions() |
Updates the dimensions of the widget contents. |
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Events
Name | Description |
---|---|
contentReady |
Raised when the widget's content is ready. |
disposing |
Raised before the widget is disposed of. |
initialized |
Raised only once, after the widget is initialized. |
itemClick |
Raised when a collection item is clicked or tapped. |
itemContextMenu |
Raised when a collection item is right-clicked or pressed. |
itemHold |
Raised when a collection item has been held for a specified period. |
itemRendered |
Raised after a collection item is rendered. |
itemTitleClick |
Raised when an accordion item's title is clicked or tapped. |
optionChanged |
Raised after a widget option is changed. |
selectionChanged |
Raised when a collection item is selected or selection is canceled. |
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core