Function applyHasNotAttribute

applyHasNotAttribute(layerId, attributeId): string
JMap.Map.Filter.applyHasNotAttribute

Render only layer's features that hasn't the attribute defined in their properties. If the property is defined but value is undefined, the feature will not be rendered.

Only one attribute filter can be set for a specific layer and attributeId at the same time.
Parameters
- layerId: JId
  The JMap layer id
- attributeId: string
  The JMap attribute id
Returns string
The filter id. By example for layer 4 and attribute 'on_off' => "attribute-4-on_off"
Throws
Error if layer or attribute is not found

Example
```
// Will hide features having attribute "name" for layer 4
JMap.Map.Filter.applyHasNotAttribute(4, "name")
```