Hi, your link itself answers your question:
"Overall, Rafale has advantage in maximum missile range due to its higher cruise speed and ceilling. If neither aircraft uses Meteor, then advantage shifts to Gripen due to longer range of AMRAAM compared to MICA (180 vs 80 km). This advantage is negated by the fact that Gripen’s primary BVR missiles all use RF seeker, which means that they can be easily jammed. Meanwhile, ASRAAM is shorter than MICA (60 vs 80 km), and this difference is increased by Rafale’s kinematic advantage. It is somewhat compensated for by ASRAAMs superior maneuverability. Consequently, both aircraft have significant combat capabilities at both beyond and within visual range, with Gripen having superior WVR missiles and Rafale having superior IR BVR missiles. Gripen does have advantage in BVR area in that it has two-way datalink while Rafale only has one-way datalink to its missiles."
Plus a whole bunch of other issues, starting with JF-17 is not equal to the Gripen being analyzed, which is more advanced, has more powerful engines, has more wing area, has Meteor that too with 2 way data link, has one of the best EW systems in the world, etc. Even then you can take a look at the above quote (and the Rafale discussed above is being seen mainly with the
Mica.
JF-17s won't have a BVR advantage like the Gripen Vs Rafale.
They have a weaker engine.
Higher wing loading
And they won't be facing Rafales with the Mica but proper BVRs, and possibly even LRAAMs.
EW of both the Gripen and the Rafale are comparable too
EW capability of the MKI vs the JF-17 is possibly a no contest in favor of MKI.