JavaScript indexOf() - how to get specific index

Question

Let\'s say I have a URL:

http://something.com/somethingheretoo

and I want to get what\'s after the 3rd instance of /?

Answer 1

s = 'http://something.com/somethingheretoo';
parts = s.split('/');
parts = parts.slice(0, 2);
return parts.join('/');