How to test pages in different versions of Safari?

Question

css

Good afternoon!
Tell me how you can test pages in all versions of safari - I found 9 (the default is now in el capitano) and 5 (it is in windows).
But I can’t figure out how to test the page in other versions.
ZY The problem began with the fact that in version 6 it incorrectly fulfills js.
ZYY Do not offer to update)

Answer 1

https://www.browserstack.com/