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ObjectPrototype.isPrototypeOf(Object, Object) Method

  • Reference

Definition

Namespace:
Microsoft.JScript
Assembly:
Microsoft.JScript.dll

Determines whether the first specified object can be instantiated as the type of the second specified object.

This API supports the product infrastructure and is not intended to be used directly from your code.

public:
 static bool isPrototypeOf(System::Object ^ thisob, System::Object ^ ob);
[Microsoft.JScript.JSFunction(Microsoft.JScript.JSFunctionAttributeEnum.HasThisObject, Microsoft.JScript.JSBuiltin.Object_isPrototypeOf)]
public static bool isPrototypeOf (object thisob, object ob);
[<Microsoft.JScript.JSFunction(Microsoft.JScript.JSFunctionAttributeEnum.HasThisObject, Microsoft.JScript.JSBuiltin.Object_isPrototypeOf)>]
static member isPrototypeOf : obj * obj -> bool
Public Shared Function isPrototypeOf (thisob As Object, ob As Object) As Boolean

Parameters

thisob
Object

The object that this method is acting upon.

ob
Object

The object that has the desired type.

Returns

Boolean

true if ob is in the inheritance hierarchy of thisob; otherwise, false.

Attributes
JSFunctionAttribute

Applies to