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javascript Object_Obj isPrototypeOf( )

isPrototypeOf( )NN 6 IE 5.5(Win) ECMA 3  

isPrototypeOf(objectReference)

  

Returns Boolean true if the current object and the object passed as a parameter coincide at some point along each object's prototype inheritance chain. Note that IE and Navigator do not always agree on the results.

 
Parameters
 
  • Reference to an object that potentially shares prototype inheritance with the current object.
 
Returned Value

Boolean value: true | false.

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Updated: Mar 14, 2008
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