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    This article covers features introduced in SpiderMonkey 24

    Note: the preferred way of changing a context's current compartment is using JSAutoCompartment.

    Enter a different compartment on the given context, so that objects in that compartment can be accessed.


    JSCompartment *
    JS_EnterCompartment(JSContext *cx, JSObject *target);
    Name Type Description
    cx JSContext * The context on which a cross-compartment call is needed.
    target JSObject *

    The object in a different compartment to be accessed. This implicitly identifies the compartment to be entered.


    Every JSContext has a current compartment. Any access to an object in a different compartment must be bracketed by calling JS_EnterCompartment and JS_LeaveCompartment.

    On success, JS_EnterCompartment returns a pointer to the previously entered compartment. To return to that compartment, pass it to JS_LeaveCompartment. JS_EnterCompartment is infallible, so a NULL return value doesn't indicate failure.

    See Also

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    Contributors to this page: fscholz, tschneidereit, arai, KatelynGadd
    Last updated by: arai,
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