// You want to parse this address into parts:
var url = '';
// The trick; create a new link with the url as its href:
var a = $('<a>',{ href: url });
console.log('Host name: ' + a.prop('hostname'));
console.log('Path: ' + a.prop('pathname'));
console.log('Query: ' + a.prop('search'));
console.log('Protocol: ' + a.prop('protocol'));
console.log('Hash: ' + a.prop('hash'));

Host name:
Path: /books/jquery-trickshots
Query: ?trick=12
Protocol: http:
Hash: #comments

The browser automatically parses the address and turns the URL parts into properties of the anchor object. The
result is that you have all the hard work done for you: