isNotEmpty( )
Refines a query or filter to match items whose specified property has any value.
The isNotEmpty() function refines a WixDataQuery or WixDataFilter to only match items where the
value of the specified property is not null or undefined.
If the property contains any value at all for a given item, including the empty string or an invalid value, that item will match the query.
Method Declaration
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Method Parameters
propertyNamestringRequired
The property in which to check for a value.
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