pub unsafe fn cross_origin_has_own(
    cx: JSContext,
    _proxy: HandleObject,
    cross_origin_properties: &'static CrossOriginProperties,
    id: HandleId,
    bp: *mut bool
) -> bool
Expand description

Evaluate CrossOriginGetOwnPropertyHelper(proxy, id) != null. SpiderMonkey-specific.

cx and proxy are expected to be different-Realm here. proxy is a proxy for a maybe-cross-origin object.