Even if we ignore solutions other languages have come up with, it's even worse that they landed on // for the syntax given that it's apparently used the same way for real comments.
I would have probably gone with ` or something.
.. it is using \\
It’s some sort of mental glitch that a number of people fall into and I have absolutely no idea why.
It used to grate on my nerves to hear people say, e.g. "H T T P colon backslash backslash yahoo dot com".
But I think they always typed forward slash, like they knew the correct slash to use based on the context, but somehow always spoke it in DOSish.