You're getting downvoted but to be honest, it's true -- Safari's layout engine and JS execution is just so glitchy and unpredictable. I'm guessing it's because

You're getting downvoted but to be honest, it's true -- Safari's layout engine and JS execution is just so glitchy and unpredictable. I'm guessing it's because they're prioritizing speed/efficiency over accuracy, but as a web dev it's...frustrating.