| name | type | mode | default | description
| ----------- | ---- | ---- | -------- | ------------
-| target | DOM | WO | document | DOM element that captures mouse input
| touchButton | int | RW | 1 | Button mask (1, 2, 4) for which click to send on touch devices. 0 means ignore clicks.
### 2.1.2 Methods
### 2.2.1 Configuration Attributes
-| name | type | mode | default | description
-| ------- | ---- | ---- | -------- | ------------
-| target | DOM | WO | document | DOM element that captures keyboard input
+None
### 2.2.2 Methods
| name | type | mode | default | description
| ----------- | ----- | ---- | ------- | ------------
-| target | DOM | WO | | Canvas element for rendering
| context | raw | RO | | Canvas 2D context for rendering
| logo | raw | RW | | Logo to display when cleared: {"width": width, "height": height, "type": mime-type, "data": data}
| scale | float | RW | 1.0 | Display area scale factor 0.0 - 1.0