ol/format/filter/IsNull~IsNull
import IsNull from 'ol/format/filter/IsNull.js';
Represents a <PropertyIsNull> comparison operator.
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new IsNull(propertyName)
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Name Type Description propertyNamestring Name of the context property to compare.
Extends
- Comparison
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https://openlayers.org/en/latest/apidoc/module-ol_format_filter_IsNull-IsNull.html
