JavaScript/jQuery Bullet API
The Bullet widget is useful when you need to compare a single measure to a target value. The widget comprises a horizontal bar indicating the measure and a vertical line indicating the target value.
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
Options
An object that specifies configuration options for the Bullet widget.
| Name | Description | 
|---|---|
| color | Specifies a color for the bullet bar. | 
| disabled | Specifies whether the widget responds to the user interaction. | 
| elementAttr | Specifies the attributes to be attached to the widget's root element. | 
| endScaleValue | Specifies an end value for the invisible scale. | 
| margin | Generates space around the widget. | 
| onDisposing | A function that is executed before the widget is disposed of. | 
| onDrawn | A function that is executed when the widget's rendering has finished. | 
| onExported | A function that is executed after the widget is exported. | 
| onExporting | A function that is executed before the widget is exported. | 
| onFileSaving | A function that is executed before a file with exported widget is saved to the user's local storage. | 
| onIncidentOccurred | A function that is executed when an error or warning occurs. | 
| onInitialized | A function used in JavaScript frameworks to save the widget instance. | 
| onOptionChanged | A function that is executed after a widget option is changed. | 
| onTooltipHidden | A function that is executed when a tooltip becomes hidden. | 
| onTooltipShown | A function that is executed when a tooltip appears. | 
| pathModified | Notifies the widget that it is embedded into an HTML page that uses a tag modifying the path. | 
| rtlEnabled | Switches the widget to a right-to-left representation. | 
| showTarget | Specifies whether or not to show the target line. | 
| showZeroLevel | Specifies whether or not to show the line indicating zero on the invisible scale. | 
| size | Specifies the widget's size in pixels. | 
| startScaleValue | Specifies a start value for the invisible scale. | 
| target | Specifies the value indicated by the target line. | 
| targetColor | Specifies a color for both the target and zero level lines. | 
| targetWidth | Specifies the width of the target line. | 
| theme | Sets the name of the theme the widget uses. | 
| tooltip | Configures the tooltip. | 
| value | Specifies the primary value indicated by the bullet bar. | 
See Also
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Methods
This section describes the methods that can be used in code to manipulate objects related to the Bullet widget.
| Name | Description | 
|---|---|
| beginUpdate() | Prevents the widget from refreshing until the endUpdate() method is called. | 
| dispose() | Disposes of all the resources allocated to the Bullet instance. | 
| element() | Gets the root widget element. | 
| endUpdate() | Refreshes the widget after a call of the beginUpdate() method. | 
| exportTo(fileName, format) | Exports the widget. | 
| getInstance(element) | Gets the instance of a widget found using its DOM node. | 
| getSize() | Gets the current widget size. | 
| 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. | 
| print() | Opens the browser's print window. | 
| render() | Redraws the widget. | 
| svg() | Gets the widget's SVG markup. | 
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Events
This section describes events fired by this widget.
| Name | Description | 
|---|---|
| disposing | Raised before the widget is disposed of. | 
| drawn | Raised when the widget's rendering has finished. | 
| exported | Raised after the widget is exported. | 
| exporting | Raised before the widget is exported. | 
| fileSaving | Raised before a file with exported widget is saved to the user's local storage. | 
| incidentOccurred | Raised when an error or warning occurs. | 
| initialized | Raised only once, after the widget is initialized. | 
| optionChanged | Raised after a widget option is changed. | 
| tooltipHidden | Raised when a tooltip becomes hidden. | 
| tooltipShown | Raised when a tooltip appears. | 
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
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