doc: URL and URLSearchParams are global in node > 8.10

[anchnk]

In the Stylistic Issues section, it's mentioned that both URLSearchParams and URL are defined as global variables.

I think this was introduced by this commit nodejs/node@312414662b which match release 10.0.0.

My current runtime is 8.10 (the latest version supported by AWS lambda atm). It seems that this variables were added to the global scope after that release. Should the documentation mention the version in which that was introduced ?

Also, even thought this is totally personal, I find that this sentence:

It will be readable if we use either Buffer consistently.

Would be less confusing like this (a suggestion):

Your application code base will be more readable if you use either Buffer consistently.

I am willing to do a PR in order to update the prefer-global doc to include both changes if this is relevant.

[mysticatea]

Hi. Thank you for this issue.

You can find the added version in the official documentation: https://nodejs.org/api/globals.html#globals_url.
Of course, PRs are welcome 😄

Also, my English skill is poor. I appreciate correction about English.

[anchnk]

I will have a look to include this in a PR anytime soon

[AlokTakshak]

@mysticatea
I would like to complete it , can you explain what all needs to be done?