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    Object.getPrototypeOf Redirect 1

    Summary

    The Object.getPrototypeOf() method returns the prototype (i.e. the internal [[Prototype]]) of the specified object.

    Syntax

    Object.getPrototypeOf(obj)

    Parameters

    obj
    The object whose prototype is to be returned.

    Throws

    Throws a TypeError exception if the object parameter isn't an Object.

    Specifications

    Specification Status Comment
    ECMAScript 5.1 (ECMA-262)
    The definition of 'Object.getPrototypeOf' in that specification.
    Standard Initial definition.
    ECMAScript 6 (ECMA-262)
    The definition of 'Object.getProtoypeOf' in that specification.
    Draft  

    Browser compatibility

    Feature Firefox (Gecko) Chrome Internet Explorer Opera Safari
    Basic support 3.5 5 9 12.10 (maybe earlier) 5
    Feature Firefox Mobile (Gecko) Android IE Mobile Opera Mobile Safari Mobile
    Basic support ? ? ? ? ?

    Based on Kangax's compat table.

    Opera-specific notes

    • Even though older Opera versions don't support Object.getPrototypeOf() yet, Opera supports the non-standard __proto__ property since Opera 10.50.

    See also

    Document Tags and Contributors

    Contributors to this page: Sheppy
    Last updated by: Sheppy,