function domainType(domains) {
    //  write code here.
    d_types = []
    domains.forEach(domain => {
        list = domain.split(".")
        d_type = list[list.length-1]
        if ( d_type == 'org'){
            d_types.push("organization")
        }else if(d_type == 'com'){
            d_types.push("commercial")
        }else if(d_type == 'net'){
            d_types.push("network")
        }else if(d_type == 'info'){   
            d_types.push("information")
        }
    })
    
    return d_types
}



/**
* Test Suite 
*/
describe('domainType()', () => {
    it('returns list of domain types', () => {
        // arrange
        const domains = ["en.wiki.org", "codefights.com", "happy.net", "code.info"];
        
        // act
        const result = domainType(domains);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toEqual(["organization", "commercial", "network", "information"]);
    });
});