Taro.createCanvasContext(canvasId, component)
Creates a CanvasContext object.
Type
(canvasId: string, component?: Record<string, any>) => CanvasContext
Parameters
| Property | Type | Description | 
|---|---|---|
| canvasId | string | The canvas-id property of the canvascomponent whose context needs to be obtained. | 
| component | Record<string, any> | In a custom component, the "this" of the current component instance means to search for the canvas with the canvas-id in this custom component. If this parameter is not specified, no search is performed in any custom component. | 
API Support
| API | WeChat Mini-Program | H5 | React Native | 
|---|---|---|---|
| Taro.createCanvasContext | ✔️ | ✔️ |