A pretty simple URL parser for Browser

gistfile1.js

// A Simple URL Parser, works in Browser only AFAIK, Please test before you use :-)
var Uri = ( function () {
    
    var keys = ['host', 'hostname', 'protocol', 'pathname', 'search', 'hash', 'port'];
    
    return {
        
        // Method parses URI string and returns an object with parts name e.g. host, protocol
        // @param {String} uri
        parse: function ( uri ) {
            // do nothing if not string
            if( typeof uri != 'string' ) return;
            
            var key, 
                obj = {},
                a = document.createElement('a');
                
            a.href = uri;
            
            for( var i = 0, ln = keys.length; i < ln; i++ ) {
                key = keys[i];
                
                if( a[ key ] ) {
                    obj[key] = a[ key ];    
                }
            }
            
            a = null;
            return obj;
        }
    }

} )();