JSObject.HasProperty(String) Method  
Definition
Important
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Checks whether the target object or one of its prototypes has a property with the specified name.
public:
 bool HasProperty(System::String ^ propertyName);
	public bool HasProperty(string propertyName);
	member this.HasProperty : string -> bool
	Public Function HasProperty (propertyName As String) As Boolean
	Parameters
- propertyName
 - String
 
The name of the property.
Returns
true when the object has the property with the specified name.