How to check whether the client browser TLS Protocol?

Good day)) was Faced with a problem. Older browsers (Yes, even the variable with some OS) do not support the TLS Protocol. Is it possible somehow to check it when entering a customer on site? There is certainly a "great" table, but to write a comprehensive review really do not want))
July 2nd 19 at 17:57
1 answer
July 2nd 19 at 17:59
Solution
Thank you very much! - ola.McGlynn commented on July 2nd 19 at 18:02

Find more questions by tags TLSJavaScript